BPA-free silicone toys are great and are dishwasher safe as well as freezable. 100% Silicone (food & medical grade, phthalate-free, cadmium-free, lead-free, mercury-free, toxic-free, PVC-free, latex-free, free from any metals, no smell or taste and won't stain). 100% Organic Beech Wood, nylon cord.