Capacity: 42 pieces; Compatible body circumference: 5.9 - 9.8 inches (15 - 25 cm); Compatible weight: 3.3 - 7.5 lbs (1.5 - 3.5 kg); Typical dog breeds: Chihuahua, Yorkshire, Terrier, Pomeranian, etc.; Material name: Polyolefin / Polyester Elastic: Polyurethane Binding Material: Hot Melt Adhesive; Exterior Material: Polyethylene