Rubber sole SIZE SUGGESTION:Womens Sizes - Small (5-6 US), Medium (7-8 US), Large (9-10 US) CARTOON DESIGN--Bear,Lamb cartoon design with 3D ears looks more lovely, elastic around the ankle keep your slippers stay well. They are also lightweight and not too bulky, perfect for wearing around the house. Ultimate Comfort: Superior soft plush fabric, featuring ultra skin-friendly, lightweight, cozy and breathable. HIGH QUALITY MATERIALS--Velvet uppers and fluffy plush lining provide warmth and comfort. It can make your kids' feet feel comfortablely and warmly wraped and it's light like walking on a cloud. SATISFACTORY AFTER-SALE SERVICE: If you have any problems about our products on Amazon, please feel free to contact us or leave us a message. We will try our best to reply you as soon as possible.