Type:Professional Durable Jute Puppy Dog Bite Training Arm Sleeve with Arm Protection Size: 10.5''(27cm)*17.5''(45cm) Very robust: great training toy made of high-quality jute Appropriate inner lining protects the trainers from the dog's teeth. All materials used are environmentally friendly and non-toxic. No harm to dogs and owners. FOR TRAINING OR GAME: Designed for young puppy dogs, 4-7 months old and younger work dogs, such as pit bull terriers, German shepherd, protective dog, police dog etc. Ideal for all bite work training. And also for tug games and outdoor exercises. Protection: This training kit is perfect for professional trainers and beginners who train dogs. Universal for left handers. Easy to put on and take off, even in thick clothes.