BABY KNEE PADS MATERIAL- Your baby's comfort is our top priority. That's why we use high-quality cotton + sponge knee pads. The mesh design is breathable without being tight, comfortable and stretchy, and is durable and gentle on the skin. CRAWLING TODDLER KNEE PADS SIZE- Its size is 4.33"x12.6"(11cmx32cm). It is adjustable and uses a Velcro design. The size of the knee pad strap can be adjusted according to the size of the baby's knees, and it is easy to put on and take off. The knee pads usually fits most babies aged 0-4. (Because the growth rate of each baby is different, please purchase the knee pads according to the baby's knee circumference.) BABY FALL PROTECTION KNEEPADS- The thickened soft sponge mat is designed with tiny anti-slip points on it, which can protect and support the baby's knee area, reduce the impact on the baby's knee when the baby falls, and effectively prevent the baby from bruising and scratching when crawling or learning to walk. PERFECT FOR ALL OCCASION- Our baby crawling knee pads is suitable for hardwood floors, carpets, and tiles, suitable for all seasons. It also makes a great gift! -Birthday parties, baby gifts, Christmas, family photography, newborn girl photoshoot outfits, holidays!