ZAXY vegan slippers are made of high-quality material that smells like bubble gum. In addition, these shoes are hypoallergenic and 100% recyclable. They do not contain phthalates, i.e. chemical compounds responsible for the elasticity of materials such as rubber and plastic. Zaxy shoes do not contain components of animal origin. When choosing a size, please refer to the size chart.35/36-22,5/37-23,5/38-24/39-24,5/40-25,5/41/42-26,5cm