PetSafe Busy Buddy Chuckle Dog Toy MORE THAN A SQUEAK: Different from traditional squeaker toys; makes a funny chuckling sound when shaken to entice your dog's hunting instincts DURABLE: Sturdy rubber chew toy; hard chew strength to keep strong chewers busy VERSATILE: Fun to use with dry treats or smearables such as peanut butter; even use as a feeder with kibble ADJUSTABLE: Treat Meter prongs can be trimmed to allow for treats of various sizes SIZE INFORMATION: Medium/Large size measures 7 in. L x 3 in. W; recommended for dogs over 20 lb. SAFE: PetSafe toys are made of safe, non-toxic materials. We hold our products to extremely high standards of safety and craftsmanship and design them with safety in mind HERE TO HELP: Call, email or chat with our expert U.S.-based customer care specialists Monday through Saturday at 1-800-845-3274 or ccc3@petsafe.net; they are ready to assist you and your pet EXPERIENCE: PetSafe has been an industry leading U.S. manufacturer of pet behavior, containment and lifestyle products since 1991, helping millions of people and pets each year