It is made of jute material, it will protect your arm from dog bite. Includes an internal soft handle and external handle, can be use with two hand. Strong foam cover handle inside the arm sleeve, help holding the sleeve steady against dog bite. Thicken sleeve with plastic cover handle outside, the plastic handle is strong enough for training. Can use for training young medium size dog, such as German Shepherd dog, Malinois, working dog, etc. Specifications: Material: jute Color: blue, green, pink Size: about 45x25x10cm Package includes: 1pc x arm sleeve Note: 1. Due to the light difference, the item's color may be slightly different from the pictures. 2. Please allow slight deviation for the measurement data and make sure you do not mind before ordering.