The Amazefan Kids Swim Life Jacket Vest Is Perfect For 30- To 50-Pound Infants, ??SOFT ? COMFORTABLE MATERIAL ? CUTE CARTOON DESIGN?--- AmazeFan Kids Learn to Swim Life Jacket is made of woven polyester and soft nylon fabrics. Soft and flexible. Environmental friendly and skin-friendly. ??SAFE ? SECURE?--- The swim vest with arm wings is secured with a safety buckle at the kid's back, so that the kid can't open it alone; adjustable strap to fit all sizes between 30-50lbs(1-6 years). And also used as toddler swim vest for toddler weighing from 20-30 lbs. ??EASY TO WEAR?--- Swim Aids for Toddlers are immediately ready for use since there is no inflation necessary; simply pull over arms and buckle up; comfortable to wear due to the soft arm band construction. ??LEARN TO SWIM?--- Your child will quickly learn to swim after using our swim vest. Can be used in swimming pools, beaches, on boats or by the lakeside. Helps kids float and keep balance in water, more freedom and confidence to swim and play. ??MORE DETAILS?--- 1 Waterproof Phone Pouch - Fully submersible and waterproof, offers waterproof protection for your devices. 1 Storage Bag - carry and store easily.