Delicate design - very breathable, absorb sweat, deodorization durable and soft to wear. They are like soft little leg warmers that fit over the baby's knees, protect the baby's knees from bruises and scrapes when they are curiously crawling. Made of premium material 80% cotton, 20% spandex which has strength, durability. Not bulky and easy to wear. They stay on baby knees, wouldn't slide down. Put them in the dryer and do not shrink. Perfect dimension - fits well for any babies, usual for 6-24 month baby, kneepads circumference approx 5.9 inch (unstretched), overall dimension 5.3 x 2.8 inch (l x w). Very stretchy, work well with any size baby instead of being tighten. Multicolour and perfect gift - it is not just one pair but actually three pairs. Perfect gift for your friends who have baby to show how much you care about them. Anti-slip and stretchy - your little one can move around and crawling faster on the floor, because it is breathable, soft fabric, and padded on the front part that protect the baby knees, not bulky and easy to wear. Coated with soft silicone particles protect baby from slip. They are stretchy all over and so they work well with most size baby.