Dog Friendly Materials: Not Suitable for Aggressive Chewers. Treat dispensing dog toys are made of ABS and nylon material. It is a sturdy, safe food container that resists pet damage, provides a long-lasting and safe play experience. You can give your dog confidently use interactive dog toys. At the same time, in order to make the dog puzzles for smart dogs quieter when rolling, the material of the dog enrichment toys for large dogs roller is made of rubber, less noise. Food Adjustment Distribution: Mental enrichment toys for dogs have two adjustable switches, you can control the amount of food by adjusting the size of the dog puzzles for large dogs switch to extend the feeding time. Dog toys to keep them busy are also designed with a special spiral structure to make the dog puzzle feeder more challenging. If you want to give a birthday gift to your furry friend, these large dog puzzle toy are good choice, it like this dog treat dispenser toy. Improve Intelligence & IQ Training: Dog treat toy is an interactive chase toy that combines puzzles and treat dispensing, pets learn the process of rolling the dog treat puzzle to make treats fall and get treats, which helps to improve intelligence and stimulate the brain, Mental stimulation for dogs relieve anxiety and reduce boredom, best dog toys to keep them busy for hours. Our dog food puzzle feeders, like other interactive dog toys for boredom are best played under supervision. Slower Feeding: dog stimulation toys for small dogs are small puppy toys to keep them busy and food puzzles for dogs that reduces your dog's eating speed, cultivate slow eating habits in dogs to promote digestion, allowing your dog to enjoy a more enjoyable mealtime. Color: As Shown Material: ABS Package Contents: 1 x pet food leak toy Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.