Big Star slippers are made of fabric with the brand's logo, lined with soft foam on the inside. The profiled insole and sole are made of rubber material. The platform will perfectly cushion and protect your feet. The Big Star logo is on the back of the sole. You absolutely must have them! When choosing a size, please use the size chart. 36-23,5/37-24/38-24,5/39-25,5/40-26/41-26,5cm