MATERIAL: Outside: brushed cotton; inside: fleece keeping warm; bottom: non-slip oxford ADJUSTABLE: Extra-long straps, not only to keep warm, but also to prevent the dog from spraining during the running process. Double-layer strap protection PAW PROTECTORS: Dog boots can keep the dog's paws dry, clean and warm in cold winter ANTI-SLIP: Rubber sole, flexible. Non-slip rubber threaded bottom, wear-resistant, non-slip PACKAGE: 4 Pack snow dog boots for small sized dogs.