--- product_id: 436503018 title: "Under Mattress 3 Piece Support Kit to Fix Saggy Beds. Firm Foam Sheets Can Be Layered to Repair Any Sagging Twin, Full, Queen or King Innerspring Or Latex Bed Or Bunk Up to 14in Thick" price: "$60.76" currency: USD in_stock: false reviews_count: 8 url: https://www.desertcart.us/products/436503018-under-mattress-3-piece-support-kit-to-fix-saggy-beds store_origin: US region: United States of America --- # military-grade support cost-effective solution 3 foam pads Under Mattress 3 Piece Support Kit to Fix Saggy Beds. Firm Foam Sheets Can Be Layered to Repair Any Sagging Twin, Full, Queen or King Innerspring Or Latex Bed Or Bunk Up to 14in Thick **Price:** $60.76 **Availability:** ❌ Out of Stock ## Summary > πŸ›Œ Sleep Like Royalty Again! ## Quick Answers - **What is this?** Under Mattress 3 Piece Support Kit to Fix Saggy Beds. Firm Foam Sheets Can Be Layered to Repair Any Sagging Twin, Full, Queen or King Innerspring Or Latex Bed Or Bunk Up to 14in Thick - **How much does it cost?** $60.76 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/436503018-under-mattress-3-piece-support-kit-to-fix-saggy-beds) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Made in the USA:** Quality craftsmanship you can trust. - β€’ **Easy Installation:** Simply slide under the sag for instant relief. - β€’ **Customizable Comfort:** Three pads to tailor support to your unique sagging needs. - β€’ **Revitalize Your Sleep:** Transform your sagging mattress into a haven of comfort. - β€’ **Budget-Friendly Upgrade:** Extend the life of your mattress without breaking the bank. ## Overview The SagsAwayUnder Mattress Support Kit is a three-piece foam solution designed to fix sagging mattresses of any size, from twin to king. Made from military-grade foam, it provides customizable support to restore comfort and extend the life of your bed, all while being a cost-effective alternative to mattress replacement. ## Description Buy SagsAway Under Mattress 3 Piece Support Kit to Fix Saggy Beds. Firm Foam Sheets Can Be Layered to Repair Any Sagging Twin, Full, Queen or King Innerspring Or Latex Bed Or Bunk Up to 14in Thick: Mattresses - desertcart.com βœ“ FREE DELIVERY possible on eligible purchases Review: Sure worked for me. - We recently bought a very good set of mattress and box spring. Spent big bucks for them. Less than a month after, they started to sag in the middle on both sides. We put a board under the mattress but that didn't help for the pain I was having in my hip. I knew it wasn't the hip because after I got up and started moving around, it was fine so we tried this. It was great. First morning after, the pain was almost gone, 2nd morning it was gone. Buying another one now for hubby's side of the bed. Only thing is that it's expensive for a piece of foam but it does work. Not sure why they send 2 smaller pieces of foam, they seem useless and don't even know what to do with them. Sellers, maybe just send 2 of the bigger size and if someone wants to cut them down they can. Review: Less back pain in morning - I was looking for a solution to firm up my mattress. I have a pillow top that is 6 yrs. old. I also have chronic lumbar and SI joint pain. I get injections 2x a year that helps but waking up every morning with lower back pain is fatiguing. I noticed that my mattress had some dips and was looking for a solution. I ran across SagsAway and figured I had nothing to lose and could always return the product rather than buying another expensive mattress. I will admit that I was pretty skeptical. After receiving the product, I stacked the smaller 1" pad on the larger 1" pad where the dip was in my mattress determined to get some back pain relief while sleeping. Well it worked too good, too firm, I had to unstack and use the 3 pads in a single layer as shown in the video. Now I have much better sleep with a lot less back and hip pain in the morning. I would recommend giving this product a try, ## Features - MAKE YOUR MATTRESS LOOK AND FEEL LIKE NEW. Fix uncomfortable ugly sags in your bed and restore its beauty. SagsAway military grade foam is the best sinking or sagging furniture saving repair tool - JUST PLACE DIRECTLY UNDER SAG. Whether your bed sags in the middle, the edge where you sit to put your shoes on or elsewhere, place the insert under the deepest sag between the mattress and box spring - 3 PADS FOR YOUR COMFORT NEEDS. No mattresses sag the same way. 1 side may need more padding than the other. SagsAway foam comes in 3 pcs. 2 Pads measuring 17 x 13 x 1 and 1 Pad measuring 17 x 13 x 1/2 inches - SAVE MONEY. EXTEND THE LIFE OF YOUR BED. Replacing a saggy mattress is expensive. SagsAway foam supports are the best way to restore firmness and comfort for a fraction of the cost to replace - DO NOT USE WITH MEMORY FOAM, HOSPITAL, SOFA BEDS OR TEMPURPEDIC MATTRESSES. Only works on innerspring or latex beds when placed between box spring and mattress directly under the sag to promote comfort ## Technical Specifications | Specification | Value | |---------------|-------| | Item Weight | 1.15 pounds | | Package Dimensions | 17.5 x 13.5 x 3.5 inches | | Country of Origin | USA | | Item model number | 2PCMATTRESS | ## Images ![Under Mattress 3 Piece Support Kit to Fix Saggy Beds. Firm Foam Sheets Can Be Layered to Repair Any Sagging Twin, Full, Queen or King Innerspring Or Latex Bed Or Bunk Up to 14in Thick - Image 1](https://m.media-amazon.com/images/I/81pVqy9WgsL.jpg) ![Under Mattress 3 Piece Support Kit to Fix Saggy Beds. Firm Foam Sheets Can Be Layered to Repair Any Sagging Twin, Full, Queen or King Innerspring Or Latex Bed Or Bunk Up to 14in Thick - Image 2](https://m.media-amazon.com/images/I/51t6ekJwb2L.jpg) ![Under Mattress 3 Piece Support Kit to Fix Saggy Beds. Firm Foam Sheets Can Be Layered to Repair Any Sagging Twin, Full, Queen or King Innerspring Or Latex Bed Or Bunk Up to 14in Thick - Image 3](https://m.media-amazon.com/images/I/91CLJP0yAKL.jpg) ![Under Mattress 3 Piece Support Kit to Fix Saggy Beds. Firm Foam Sheets Can Be Layered to Repair Any Sagging Twin, Full, Queen or King Innerspring Or Latex Bed Or Bunk Up to 14in Thick - Image 4](https://m.media-amazon.com/images/I/81W46YyKwpL.jpg) ![Under Mattress 3 Piece Support Kit to Fix Saggy Beds. Firm Foam Sheets Can Be Layered to Repair Any Sagging Twin, Full, Queen or King Innerspring Or Latex Bed Or Bunk Up to 14in Thick - Image 5](https://m.media-amazon.com/images/I/417uu4lelbL.jpg) ## Questions & Answers **Q: How well will this work for matress indentations?** A: I would think it would work great. You could try it and always return it if it doesn't work. But I think it would work if you place it directly beneath the indentation. **Q: Does this work with the newer adjustable beds?** A: We do not suggest using this on adjustable beds. Shifting could be an issue with the adjustments. **Q: Will this work under a saatva classic mattress? it’s hybrid innerspring and memory foam** A: Our product may help some, but you will not have the same results as someone with an innerspring or latex mattress. Memory foam does not respond the same as innerspring and latex. **Q: Will it work with no-flip mattresses?** A: Yes, it will as long as it is an innerspring or latex mattress. Cannot work on a memory foam mattress because the support is absorbed rather than transferred. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Sure worked for me. *by S***D on October 28, 2023* We recently bought a very good set of mattress and box spring. Spent big bucks for them. Less than a month after, they started to sag in the middle on both sides. We put a board under the mattress but that didn't help for the pain I was having in my hip. I knew it wasn't the hip because after I got up and started moving around, it was fine so we tried this. It was great. First morning after, the pain was almost gone, 2nd morning it was gone. Buying another one now for hubby's side of the bed. Only thing is that it's expensive for a piece of foam but it does work. Not sure why they send 2 smaller pieces of foam, they seem useless and don't even know what to do with them. Sellers, maybe just send 2 of the bigger size and if someone wants to cut them down they can. ### ⭐⭐⭐⭐ Less back pain in morning *by M***N on July 18, 2022* I was looking for a solution to firm up my mattress. I have a pillow top that is 6 yrs. old. I also have chronic lumbar and SI joint pain. I get injections 2x a year that helps but waking up every morning with lower back pain is fatiguing. I noticed that my mattress had some dips and was looking for a solution. I ran across SagsAway and figured I had nothing to lose and could always return the product rather than buying another expensive mattress. I will admit that I was pretty skeptical. After receiving the product, I stacked the smaller 1" pad on the larger 1" pad where the dip was in my mattress determined to get some back pain relief while sleeping. Well it worked too good, too firm, I had to unstack and use the 3 pads in a single layer as shown in the video. Now I have much better sleep with a lot less back and hip pain in the morning. I would recommend giving this product a try, ### ⭐⭐⭐⭐⭐ Problem solved *by S***N on November 22, 2025* This completely fixed the sag in the mattress. I sleep so much better now, it’s kind of making me mad that I didn’t do this sooner. ## Frequently Bought Together - SagsAway Under Mattress 3 Piece Support Kit to Fix Saggy Beds. Firm Foam Sheets Can Be Layered to Repair Any Sagging Twin, Full, Queen or King Innerspring Or Latex Bed Or Bunk Up to 14in Thick - Under Mattress Support - Fix Your Sagging Mattress with Mattress Helper Firmer Solution for Mattresses -Single Side Coverage (Half Full/Queen) - Stratiform Curve Firm - Density Mattress Sag Support | 1.5" D x 24" W x 56" L - Ideal for Sags Deeper Than 1" Inch | Comfort and Durability | Extend Mattress Lifespan | Mattress Support | Made in USA --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/436503018-under-mattress-3-piece-support-kit-to-fix-saggy-beds](https://www.desertcart.us/products/436503018-under-mattress-3-piece-support-kit-to-fix-saggy-beds) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-08-09*