Features: Brand new and high quality. Great gift for baby girls/boys. Unique anti-slip design keeps baby more safe. Soft and elastic material makes baby very comfortable. It will well protect baby's knee when baby fall down or crawl. Specification: Material: Combed cotton. Color: Green/Pink/Deep gray/Light gray/Dark blue. Size(Approx): One size,length 11cm, width is elastic. Package Included: 1pair x Kids Crawling Sleeve