1.FILL & SHAKE: The treat maze can be filled either from the top opening or from the side with treats and snacks your dog loves. Shake the dog toy to release the familiar scent of your pup’s favorite treats, and place it on the floor before taking your pup for a spin! 2. EASY AND BREEZY CLEANUP: The dog puzzle has no extra removable parts and is easy to hand wash with soap and water. Be sure to remove kibble before washing and allow to air dry before next use. 3.BPA, PVC and PHTALATE-FREE: In mind materials that are free of safe food you can trust with your dog. Easy to clean with warm water and soap between uses. 4.PLAY IT SAFE: No toy is indestructible. Do not leave toys with pets unattended. Remove and replace toy if damaged."