Canvas dummies are great training tools for sporting dogs, both young and adult; not meant to be used as a dog chew toy Weighted for easy throwing, they simulate actual game size and weight The heavy duty canvas material holds game scent better than plastic dummies These versatile and durable dummies float, making them great for land or water Puppy dummies are made for young hunting dogs who are just learning the ropes measuring 2.25"W X 8.5"L, while regular dummies measure 2.75"W X 12"L By designing our products in the field, with heat, cold, rain, snow, dust, mud, and wind in mind, SportDOG has become the most recognized brand in the electronic tracking and training categories, making the promise to create "Gear The Way You'd Design It"