Size and fit - Size S is suitable for children aged 3-8, weight 33-55 lbs (15-25 kg). - Size M is suitable for children aged 7-13, weight 55-99 lbs (25-35 kg). - Adjustable Velcro straps ensure free movement during exercise, helping your child enjoy the activity with comfort and confidence. Durable and comfortable - Anti-scratch high-hardness PVC shell provides solid protection. - Soft sponge material offers effective impact buffering while remaining comfortable to wear. Protective gear set - Includes 2 knee pads, 2 elbow pads, 2 wrist pads, and 1 collecting handbag. - The included handbag helps prevent loss of the protective gear and makes it easy to carry. Safety and fun - Designed for children's sports safety protection, especially suitable for bicycle riding, roller skating, skateboarding, skating, and other activities. - A practical gift idea for Christmas, Thanksgiving, Birthday, and Children’s Day. use scenarios - Park or neighborhood bike rides: provides essential protection for knees, elbows, and wrists during learning or casual riding. - Roller skating or skateboarding practice: supports soft landings and reduces impact during balance drills and tricks. - Day care, school activities, or travel: the protective set can be carried easily in the handbag for convenient protection on the go.