Package Content -- This item is a set of 2 pairs of baby crawling knee pads anti slip, including Green and Light Grey. Size: 4.3in x 3.1in (unstretched). Fit for babies 0-3 years.Material -- Toddler Knee pad protector is made from cotton and silicone, super soft, breathable, sweat-absorbing and comfortable to wear.Non Slip Points -- Baby boy knee pads with non slip silicone points will provide babies good grip on wood floors and prevent them from sliding down.Elastic Design -- With the elastic design, baby girl crawling knee pads are stretchable, fit baby legs perfectly, easy to wear and not easy to slip.Functions -- Elastic knee pads can protect babies from bruises and scrapes when they are curiously crawling and learning to walk, and give them warmth when they are in cold occasions.