1、Made of high elasticity OK cloth material, elastic, breathable, soft, and with no fluffing easily. 2、Adopt nylon hook and loop, easy and convenient to use, worry-free sports. 3、Soft edge, beautiful and firm, wear-resistant and durable. 4、Protective pad for underarm restraint.Punching design, comfortable and breathable. 5、It is a helpful accessory for back posture corrector. Features: 1. Made of high elasticity OK cloth material, elastic, breathable, soft, and with no fluffing easily. 2. Adopt nylon hook and loop, easy and convenient to use, worry-free sports. 3. Soft edge, beautiful and firm, wear-resistant and durable. 4. Protective pad for underarm restraint.Punching design, comfortable and breathable. 5. It is a helpful accessory for back posture corrector. Specifications: Material: High Elasticity OK Cloth + Nylon Hook and Loop Color: Black Size: 14.5*18cm/5.71*7.09in(Approx.) Package Include: 2 x Pad