Designed to be pet safe, the Rocco & Roxie Supply Co. Ball is made from only safe "ingredients." This includes it being free of BPA's, phthalates, latex and heavy metals - it's simply high-quality thermoplastic elastomer material. This super-tough product will stand up to those aggressive chewers and won't even fade over time if left outside. Plus, it comes in two sizes and is backed by a 100% guarantee.