What is PPSU, and why is it better than standard plastic?

PPSU is a premium material used in hospitals commonly used for medical devices. Unlike standard PP plastic, it has extreme heat resistance, resists scratches to prevent bacterial growth, and will never warp, stain, or leach microplastics.

My cup is leaking from the straw. How do I fix it?

Check if the cross-cut (+) valve is torn. If it is intact, simply pinch the air valve on the silicone base 3–4 times after closing the lid. This equalizes internal pressure (especially from warm drinks) and instantly stops backflow.

What is the difference between Stage 1 and Stage 2 straws?

They share the same leak-proof valve and flow rate. Stage 1 is ultra-soft for sensitive baby gums. Stage 2 uses firmer, high-density silicone built to withstand biting and chewing from older toddlers.

Is the cup dishwasher safe? Which rack should I use?

Yes, it is top-rack dishwasher safe. Keep all parts away from the bottom heating element to protect the materials.

How do I wash the silicone straw without tearing it?

Separate the straw nipple from the tube. Insert your straw brush gently, and twist it side-to-side to clean. Never scrub the brush up and down vertically, as this may puncture the cross-cut valve and cause leaks.

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GROSMIMI PPSU Baby Straw Cup Stage 1, 6M+, Spill-Proof, 6oz (Beige) | Babies & Toddlers 6+ Months | Removable Rotating Handles | Silicone Straw | Heat-Resistant | BPA-Free Sippy Cup | 200ml

Product ID: 186000262

Details

Brand
GROSMIMI
Capacity
6 Fluid ounces
Color
Beige
Material
(PPSU)
Special Feature
BPA Free

🍼Soft Silicone Straw, Baby-Nipple Material

🔄Rotating Handle for Wrist Comfort

🚫100% Leak-Free Cross-Cut Straw

$57.16

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Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🍼 Sip Smart, Spill Never – The Ultimate Toddler Cup Upgrade!

GENTLE ON GUMS - Super soft silicone straw mimics baby nipples, easing the transition and encouraging self-feeding.
DUAL MODE DRINKING - Use as a straw cup when upright or convert to a spout cup for lying down—versatility that grows with your child.
SPILL PROOF CONFIDENCE - Cross-cut straw design guarantees zero leaks—even on the go or during tumbles.
ERGONOMIC ROTATING HANDLE - 360° swivel handle protects your toddler’s delicate wrists while promoting independent sipping.
SAFE DURABLE PPSU MATERIAL - BPA-free, odor-resistant, and built to withstand repeated sterilization without warping or discoloration.

The GROSMIMI Spill Proof Magic Sippy Cup is a 6 oz toddler cup crafted from BPA-free PPSU material, featuring a leak-proof cross-cut straw, a rotating ergonomic handle, and a soft silicone straw designed for gentle gum contact. Microwave and dishwasher safe, it offers dual drinking modes and durability that keeps up with your growing baby.

Specifications

ASIN	B08398KZ2B
Age Range Description	Baby, Toddler
Best Sellers Rank	#813 in Baby ( See Top 100 in Baby ) #28 in Toddler Cups
Brand Name	GROSMIMI
Capacity	6 Fluid ounces
Color	Beige
Customer Reviews	4.5 4.5 out of 5 stars (3,685)
Finish Types	Glossy
Included Components	Cups
Is the item dishwasher safe?	Yes
Is the item microwaveable?	Yes
Item Dimensions W x H	3.9"W x 5.7"H
Item Weight	97 Grams
Manufacturer Part Number	1001-CB
Material Features	Insulated
Material Type	Polyphenylsulfone (PPSU)
Material Type Free	BPA Free
Model Number	1001-CB
Number of Items	6
Occasion	Everyday
Other Special Features of the Product	BPA Free
Pattern	Solid
Product Care Instructions	Hand Wash Only, Microwave Safe
Product Style	Tableware
Recommended Uses For Product	Home
Reusability	Reusable
Shape	Round
Size	1 Count (Pack of 1)
Theme	Baby
Unit Count	1.0 Count

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$57.16

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

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