Material: High-grade calfskin (genuine leather); Size: S, M, L, Color: Red, Blue; Size Guide: S: Head Circumference: 17.3 - 21.7 inches (44 - 55 cm), Weight - 12.3 lbs (56 - 57 cm), Size L: Head Circumference: 22.8 - 23.2 inches (58 - 59 cm), Weight: 170 - 8 lbs (8 lbs (8 kg).