The Charlie Banana Reusable Swim Nappy has a light, waterproof outer and a soft and absorbent Tencel® (Lyocell) lining. Lenzing Tencel® is highly absorbent and naturally antibacterial. Soft against your child’s skin. Sizing for the perfect fit, adjustable waist ties for extra security. Just ensure the leg elastics are firm (not tight) Plenty of colours and prints available.  If the size you are looking for is not here please be sure to check the printed swim pants.Small 4.5 kg - 6kgMedium 6kg - 9 kgLarge 9kg - 12 kg