This dog training sleeve is made of safe linen material and is very durable. The size is 23.6 x 11.8 inches (60 x 30 cm), so it can be worn by both hands Covers the elbows and arms to ensure safety during your dogs training. Suitable for a variety of training dogs such as military and law enforcement dogs. The weight is about 1400g, it is suitable for adults. Pull-on closure makes it easy to wear. It is one of the best tools for dog biting.