Is this size fit for my 13 year and 7 year old girl?
Suggest for 3-9 year old boys and girls. Magic stick to modify the size.
How can I safely wash these?
Childrens Cycling Protective Gear made of nylon and PE shells. Just hand wash or wipe it to keep clean.
Is this a pair of each item?
Yes. It included 2pcs knee pad, 2pcs elbow pad, 2pcs wrist pad.
Would these be good for snowboarding or biking?
Yes. Protective gear suitable for a variety of sports.