Indestructible dog toys for aggressive chewers - For large and medium dogs, this elastic toy withstands heavy biting and teething. It can roll, inviting your dog to chase, chew, roll, carry, and catch, keeping them busy and stimulating their mind while releasing excess energy. - Fillable dog chew toy: can be filled with wet or solid food. Load the food into the container and let your dog play. Feeding during play slows mealtime, promotes healthy digestion, and makes eating more enjoyable. - Slow feeder design: customize meals by mixing various foods. It slows eating to the maximum extent. When you are away, it helps keep your dog entertained and relieves anxiety. For best results, fill with nutritious meals, add a little water, and freeze for 4-6 hours before use. - Safe material: made of food-grade TPR, highly elastic and tough. No BPA, PVC, or phthalates. Both raw materials and the finished product are safe for your dog.