Made of high quality 100% Japanese Cotton material. The designs are special and carefully selected. Custom made and specially designed by OBW. Free Size (48cm x 15cm) suitable for Newborn onwards. Double layer ( Outer layer with colorful designs and inner layer with soft cotton material) The importance of binding baby tummy: 1. To avoid bloating which is common among newborn babies. 2. To provide heat and comfort for babies. 3. To protect the baby cord from harmful bacteria.