Safe Materials and Excellent Design : strict requirements on the production process as a whole, all of materials used in toys are safe and environment-friendly, comfortable and soft, smooth without peculiar smell, toxic-free, the baby could play with relief Great Fun: Adorable dog walks, barks, stretchs and wags its tail like a real puppy, it will bark when you tap its head Puppy can perform tricks and walk on carpets, hard wood, etc could play with relief Easy to Operate: Put 2 AA 1 5V batteries into the puppy's abdomen, turn on the switch, then the puppy will work Measures 7" (H) x 4 3" (L) x 5 9" (W)Good Idea For Gift: This faux pet makes a great Christmas, Easter, or birthday gift Nearly every boy, girl, and toddler dreams of owning a pet at some point in their lives But real pets come with real