TREAT-DISPENSING FUN: Open design and stretchy rubber material to fit treats of all shapes and sizes, these toys help make playtime as unique as your dog. BREATHABLE RUBBER PET TOY: Soft rubber design features hexagon cut-outs, allowing pets to breathe through the dog ball holes for safe, extended play. BREATHABLE RUBBER PET TOY: Soft rubber design features hexagon cut-outs, allowing pets to breathe through the dog ball holes for safe, extended play. MATERIAL: Durable dog ball is made from natural, non-toxic rubber, seamless throughout for added strength.