Faux fur Rubber sole SIZING: Available in size Medium(7-8 B M US), Large(8.5-9 B M US), Extra Large(9.5-10.5 B M US). Slipper is narrow in width; if you have wide feet, we recommend buying one size up. Please IGNORE the size number at the bottom of the sole. It's the manufacturer's size, not reflective of US size. Please refer to the size menu in the second product picture. WARM AND COMFORTABLE: Warm and breathable upper with a comfortable fluffy lining that gently wraps your feet for extreme warmth and comfort. Eco-friendly thick plush fleece and breathable cotton keep coldness at bay. Fine outer and chic color make these slippers lovely. ANTI-SLIP MEMORY FOAM SOLE: The slipper sole is very soft and features memory foam that cares for your feet, providing great softness and cushioning to eliminate discomfort. It is non-slip to protect every step of the way, making it perfect for indoor and outdoor use. DURABLE SOLE: Handmade with fine-edged seams, making the slippers very durable and lightweight, without any damage to the floor or noise to others. Care: Hand and machine washable in cold water gently. Do not use an automatic dryer for these slippers. Please ensure your pet is friendly with them.