Swimming Diaper Brand: Alva Baby Inner Layer: The interior polyester mesh lining provides comfort to baby's soft skin. Elastic around the waist and leg openings provides a secure, stretchy fit which makes swimming pants easy to put on and take off. Elastic around the waist and the leg openings provides a secure, stretchy fit and helps make the swim pants easy to put on and take off. It can make a fabulous training pants and diaper cover too Outer Layer: The Outer/Cover Layer is made from Polyurethane Laminated (PUL) Fabric, which is highly Water-Resistant, Breathable and Very Durable. It can collect solids and will prevent any leakage into the water. It will not absorb pool water. Size: Size can be adjusted by using snaps. This diaper can be used from 4.5-18 Kgs. Wash Care: Machine wash by turning inside out. Spray off the solids before putting it in the washing machine.