Each whimsical POWER PLUSH toy is backed inside with an extra layer of durable mesh fused on the inside to make these high-quality, soft plush toys hold up to the scrappiest canines! No loose pieces and each seam is reinforced using nylon seam tape for extra strength. All toy material used is safe, non-toxic and has no heavy metal.Squeeze! Squeak! Each toy has a squeaker inside!