Speedo Unisex Baby Swim Diaper 100% Polyester Imported UV 50 plus Block the Burn technology to protect from the sun's harmful UVA and UVB rays Elastic legs and waistband provide snug, comfortable fit Reusable and machine washable in soft water resistant fabric that dries quickly Small=0-6 months 10 to 18 LBS, Medium=12 months 18-22 LBS, Large=18 months 22-25 LBS, X-Large=24 months 25-28 LBS Made by Speedo, the world's premier aquatics brand UV 50 plus block the burn technology to protect from the sun's harmful UVA and UVB rays Elastic legs and waistband provide snug, comfortable fit ReUSAble and machine washable in soft water resistant fabric that dries quickly Small=0-6 months 10 to 18 lbs, medium=12 months 18-22 lbs, large=18 months 22-25 lbs, x-large=24 months 25-28 lbs Made by speedo, the world's premier aquatics brand