M-PETS Bloom Balls are made with E-TPU technology that is developed in collaboration with the ADIDAS Innovation Team and German chemists BASF. Bloom balls are non-toxic, made of foo-grade, durable material that won't break no matter how hard they are thrown. These long-lasting squeaky dog chew balls are not just durable, they are also lightweight, highly elastic, easily cleaned and even floats on water. Features of E-TPU: - Super response: bounce rate up to 63% - High elasticity and softness even at low temperature - Very low abrasion resistance - High-bending resistance - Made from eco-friendly material