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

PPSU is a medical-grade material used in hospitals. 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 tip 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 Spill Proof no Spill Magic Sippy Cup with Straw with Handle for Baby and Toddlers, Customizable, PPSU, BPA Free 6 oz (Charcoal)

Product ID: 409615867

Details

Brand
GROSMIMI
Capacity
6 Fluid ounces
Colour
Charcoal
Material
(PPSU)
Special features
Leak Proof

🍼PPSU medical-grade, BPA-free material

💧100% leak-proof cross-cut valve

🔄360° rotating ergonomic handle

$35.80

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Description

💧 Sip Smart, Spill Never: The Ultimate Toddler Cup for Busy Parents

DUAL MODE VERSATILITY 🔄 - Use as a straw cup upright or spout cup lying down—perfect for every feeding moment.
LEAK PROOF CONFIDENCE 💧 - Cross-cut (+) straw valve guarantees zero spills, even on the go or during tumbles.
BABY SOFT SILICONE STRAW 🍼 - Ultra-gentle, nipple-grade silicone straw eases transition and protects delicate gums.
ERGONOMIC ROTATING HANDLE 🔄 - 360° swivel handle designed to reduce wrist strain and adapt to your toddler’s grip.
DURABLE SAFE PPSU MATERIAL 🛡️ - Hospital-grade PPSU resists heat, odors, stains, and repeated sterilization without warping.

The GROSMIMI Spill Proof Magic Sippy Cup features a patented cross-cut valve for leak-free sipping, a baby-soft silicone straw made from nipple-grade material, and a 360° rotating handle to protect little wrists. Crafted from durable, BPA-free PPSU, this 6 oz cup withstands heat, odors, and repeated sterilization, making it a hygienic, versatile choice for babies and toddlers on the move.

Specifications

ASIN	B083WJBR9B
Age Range Description	Baby, Toddler
Best Sellers Rank	#709 in Baby Products ( See Top 100 in Baby Products ) #18 in Sippy Cups
Brand Name	GROSMIMI
Capacity	6 Fluid ounces
Color	Charcoal
Customer Package Type	Standard Packaging
Customer Reviews	4.4 4.4 out of 5 stars (3,401)
Finish Types	Glossy
Included Components	Cups
Is the item dishwasher safe?	Yes
Is the item microwaveable?	Yes
Item Dimensions W x H	9.9W x 14.5H centimeters
Item Weight	3.42 Ounces
Manufacturer	GROSMIMI
Manufacturer Part Number	Parent_PPSU_Strawcup
Material Features	Insulated
Material Type	Polyphenylsulfone (PPSU)
Material Type Free	BPA Free
Model Number	1001-CH
Number of Items	6
Occasion	Everyday
Other Special Features of the Product	Leak Proof, Microwave Safe
Pattern	Solid
Product Care Instructions	Hand Wash Only, Microwave Safe
Product Style	Tableware
Recommended Uses For Product	Home, Nursing, Travel
Reusability	Reusable
Shape	Round
Size	1 Count (Pack of 1)
Theme	Baby
Unit Count	1 Count

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$35.80

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

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TrustScore 4.5 | 7,300+ reviews

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