Upper is made of double-layer breathable mesh fabric, firmly hemmed by soft durable cloth around, with flexible cuffs at the top | Flexible soles well provide traction and protect paws against hurt from pavement, asphalt, salt, grass etc. | Easy and quick to put on, firmly fastened by the flexible, elastic and adjustable strap | Comfortable, lightweight and practical paw protectors for dogs in daily life, also can protect bandage if needed | Practicable Reference Size of XS: 2.17" x 1.97". Allowance Error: 0.11" - 0.20"