Elesa Miracle Unisex Baby Anti-slip Kneepads, Toddler Knee Elbow Pads Crawling Protecter, for 6-24 Months Include:4 pairs. Shown in Picture, Packed in Elesa Miracle bags. Sole Length: 3.2 - 4.2 inches; Strechable for better fit, recommended for babies between 12 - 24 months Non-skid rubber bottom Cotton blend. Machine washable