Note: Please allow 1?3cm/0.4?1.2in error for manual measurement specification: Item Type: Knee Pad_x000D_Material: Cotton + Gel_x000D_Size: Approx. 21 x 11cm/8.3 x 4.3in Features: 1High Quality Material: Knee pads are made of cotton material, soft and durable, breathable, comfortable to wear, and help to absorb sweat. 2Anti Slip: The crawling knee pads and socks are designed with silicone, which has a good anti slip effect. 3Protection Function: Wearing can protect the baby's knees, feet and elbows from scratches and abrasions when learning to crawl and walk. 4Thickened Inner Pad: Multi layer thickened inner pad to protect the elbow and knee from injury. 5Range of Use: Keep your baby warm on cold days, suitable for wearing during the day and sleeping. PackageList: 2 xKnee Pads