SSstar 2pcs Infant Big One Size Reuseable Washable Swim Diapers (Blue) is available in Swim Nappies

A trim and attractive positioning design that has a terrific fit on any baby.
Waterproof 100% polyester PUL outer layer, designed for holding solids.
Interior Polyester mesh for easy clean up, offering comfort against baby's sensitive skin.
Interior Polyester Elastics at the waist and leg openings with soft lycra bindings provide a secure, stretchy fit and easy on and off.
One size fits all: by adjusting the front corresponding snaps. Just perfect for saving your money in the long term.
Size

Weight: S(18-30lbs/8-13.5kg), M(30-40lbs/13.5-18kg), L(40-55lbs/18-25kg)
Waistline: S(24-45cm/9.4-17.7''), M(30-52cm/11.8-20.5''), L(38-66cm/14.9-25.9'')
Height: S(12-23cm/4.7-9''), M(15-28cm/5.9-11''), L(20-36cm/7.8-14.1'')