A multilayer pet toy has an inner structure having an inner-structure resilient material an outer structure joined to the inner structure, the outer structure having a first layer having a first sandwich structure, the first sandwich structure having an outer-structure resilient material and a non-resilient material. Therein, the inner structure resilient material includes a first rubber compound that has a percentage of 30% or less by weight of natural rubber and a remainder being filler. The outer-structure resilient material includes a second rubber compound that has a percentage of 44% or more by weight of natural rubber and a remainder being filler.
