StarryBay Freezable Dog IQ Tricky Treat Ball Smarter Interactive Dog Toys Everlasting Treat Chew Ball 1.Material: natural TPR, non-toxic, no-odor, durable, washable and safe. 2.100% freezable pure water can keep your pets cool. 3.Ideal for SMALL sized dogs. A useful pet toy to keep your dog mentally and physically active. 4.Soft rubber can reduce friction and make less noisy. 5.Please attention: make sure the food size is small enough to fall out.