MooMoo Baby Swim Diapers 2pcs Adjustable Reusable Swimpants Baby, 0-3Y, 10-50 lbs Swimmers These swim diapers can fit baby 0-3 years, suitable weight: S(10-18lbs/4.5-8kg), M(18-30lbs/8-13.6k, L(30-40lbs/13.5-18kg),XL(40-50lbs/48kg-22.5kg) Fabric of swimming diapers: 82% polyamide, 18% Elastane. These covers are nice to feel and comfortable against baby sensitive skin, meanwhile, they are waterproof and leak-proof. UPF 51+ excellent sun protection,Formaldehyde free and azo-free Interior Polyester Elastics at the waist and leg openings with velcro sticks provide a secure, stretchy fit and easy to put on and off Different from disposable swimpants, these reusable swim diapers are washable and reusable, which are much more economical and create less waste. Saving hundreds by switching to reusable swimming diapers Adorable and attractive designs will gain lots of compliments. 2 different packs of diapers together.