The set includes a pair of wrist, elbow and knee pads:
Size S: Size suitable for children for 15-40kg/ 30-90lbs
Size M: Size suitable for children for 20-50kg/ 45-110lbs
Size table:
12. Elbow Pads : S:14.5 x 9 cm (L x W); M: 16 x 10 cm (L x W)
34. Wrist Guards : S: 11.5 x 9 cm (L x W); M: 13 x 12.5 cm (L x W)
56. Knee Pads : S: 13 x 13 cm (L x W); M: 14 x 14 cm (L x W)