High quality: use bite-resistant cotton belt and environmentally friendly wear-resistant double-layer sole fabric, soft, bite-resistant, environmentally friendly and easy to clean material, support machine washing and drying hand wash. Unique design: The top of the slippers, the sole of the slippers and the small wavy strap on the molars are rich in the design of the mouth. There are 3 hidden sounders in the soles, which can train puppies to vocalize and increase the fun of playing. Function: Integrate companionship, training and sniffing together, vocalize training, develop intelligence and relieve the pressure on dogs. Purpose: This is a sniffing booties toy specially designed for dogs. It is resistant to daily biting and grinding of teeth and can also be used for Tibetan food sniffing training. Don't be afraid of losing your shoes at home. Interactivity: The size of the slippers is 3012cm. If you have a pair of little feet, you can also wear them to interact and play with the dog to increase the fun.