Best for active babies! NEW from Japan! MamyPoko Air Fit Tape Diaper featuring the world’s first 3D curve-fit diaper that fits gently and snugly, following the contour of your baby’s bottom. Its Stretchable Soft Gathers around the waist reduces 50% pressure on baby’s tummy leaving your baby comfortable all day long. MamyPoko Air Fit is the No. 1 Mother’s choice of diaper in Japan.