The body part is filled with sponge blocks, which is and elastic. There are hidden food openings in all 6 sides of the toy, and the play longer and the dog can not give up playing it. The invisible zipper design does not hurt the dog mouth when they are foraging. You can remove the sponge blocks from the inside, which is convenient to clean. Feature - - Material: Plush. - Size: 20x20x20cm. - The body part is filled with sponge blocks, which is and elastic. - There are hidden food openings in all 6 sides of the toy, and the play longer and the dog can not give up playing it. - The invisible zipper design does not hurt the dog mouth when they are foraging. You can remove the sponge blocks from the inside, which is convenient to clean. - Imitate the design of , it can be used as to add more fun for family and a puzzle toy for your dogs. - This is a training toy and it can accompany your pets.The main fabric is polar fleece, whose texture is and lightweight. Package list: 1 x Pet Dog Plush Toy