The size of the bag is 4. 9*4. 9inch. With the included clip, attach the pouch to your waist belt, pants or items around you. Perfect for animal training or when walking pets. Pouch is waterproof and is made of odorless, non-toxic, BPA-free, food-grade silicone that is acid and corrosion-resistant. The Pet Treat Pouch is elastic and extremely durable and won't lose its natural shape over time. Hygienic and dishwasher safe.