** BREATHABLE MESH ( Comfortable Mesh, Breathable design) ** SILICONE ANTI-SLIP ( The high temperature silicone design can work well with Anti-Slip effect ) ** ELASTIC MATERIAL ( Knee head elastic design. Large stretch can't strangle baby skin ) ** HALF_BRAIDED DESIGN ( Comfortable and Soft Half- Braided design. When worn, will not grid the baby's skin)