For all season The baby knee pads are easy to wash machine washable and dryer safe. 5 Pairs NEW Baby Crawling Knee Pads Safety Anti slip Walking Leg Elbow Protector Multi-color 5 Pairs NEW Baby Crawling Knee Pads Safety Anti slip Walking Leg Elbow Protector Usual for 6 to 24 Month Baby Kneepads circumference about 12cm length 9cm width.