Pet Heroic Black-Grey 8 Sizes Anti-Slip Knitted Dog Socks Cat Socks with Rubber Reinforcement, Anti-Slip Knit Dog Paw Protector cat Paw Protector for Indoor Wear, Suitable for Extra Small to Extra Large Sizes of Dogs Cats S is suitable for extra small Pug,Chihuahuas,Teacups,Teddy,Yorkshire,Maltese etc, generally around 1-2.5 kg. M is suitable for larger puppies-small dogs, generally around 2.5-4.5 kg. L is suitable for small-medium sized dogs, generally around 4.5-6.8 kg. XL is suitable for medium-sized dogs, generally around 6.8-10 kg. 2XL is suitable for medium-sized dogs, generally around 10-13.5 kg. 3XL is suitable for large-sized dogs, generally around 13.5-22.5 kg. 4XL is suitable for large-sized dogs, generally around 22.5-36 kg. 5XL is suitable for Extra large dogs, generally more than 36 kg. Small: length 6.0cm x width 3.0cm x Entrance 2.5cm Medium: length 7.5cm x width 3.5cm x Entrance 3.0cm Large: length 9.0cm x width 4.0cm x Entrance 3.5cm X-Large: length 11cm x width 4.5cm x Entrance 4.0cm 2X-Large: length 14cm x width 5.8cm x Entrance 4.5cm 3X-Large: length 16cm x width 6.8cm x Entrance 5.0cm 4X-Large: length 18cm x width 7.8cm x Entrance 6.0cm 5X-Large: length 20cm x width 8.8cm x Entrance 7.0cmAttention: 4 Socks in 1 set, measure your pet's paw width and refer to SIZE CHART(picture 2th) for matching before buying. Fitness: No matter what dogs, no matter how large or small, absolutely you will be able to find the right sized socks here. Design: Anti-slip Silicone Gel on the soles to provide extra traction, rubber reinforcement inside the socks to be easy staying up. Function: Pet socks keep pets from sliding on hardwood floors, protect floors carpet sofa from pet nail scratches. Material Size: Dog socks paw protectors are made of pro quality cotton, 8 size choices. Picture 2th is the SIZE CHART, Small Sock Length - 6.0cm , Width - 3.0cm, Entrance 2.5cm.