Leg strength trainer

[Product Specifications]:
Adult professional suit 1: Hose: 5mm * 9mm * 26cm 2; 6 * 10 * 28cm 2 2 cotton thigh straps + 1 net bag

Adult Professional Set 2: Hose: 5mm * 9mm * 26cm 2 pieces; 6 * 10.6 * 28cm 2 pieces 2 cotton thigh straps + 1 net bag