Dog Shoes Size Measurement Method: First Step: In The Ground To Put a Piece Of White Paper, So That The Dog Four Feet Standing On The White Paper. The Second Step: Use The Pen Around The First Foot Dog Draw a Circle. Along The Circle On The Periphery Of The Dog Foot Note That Toe Bag Behind The Painted Dog's Foot, To Its Feet Pressed Down, So The Bag With To Paint The Outside Edge, After a Good Painting And Then The Ruler Is Used To Weight The Dog Footprints Of The Longest Place Is Long, The Widest Place Is Wide. Four Feet To The Amount. The Third Step: Determine The Size Of The Dog's Foot In The End To Choose The Longest Length And Widest Width. The Fourth Step: Choose The Length And Width Of The Dog Shoes Can Not Be Less Than The Length And Width Of The Dog's Foot, Must Be More Than The Dog's Foot Long And Wide 0.5-0.8cm. Size Chart X-Small Length: 1.3" Width: 0.9" Recommend Weight: 1-2lb Small Length: 1.5" Width: 1.1" Recommend Weight: 3-5lb Medium Length: 1.7" Width: 1.3" Recommend Weight: 5-7lb Large Length: 1.9" Width: 1.5" Recommend Weight: 7-11lb X-Large Length: 2.1" Width: 1.7" Recommend Weight: 11-14lb 2X-Large Length: 2.3" Width: 1.9" Recommend Weight: 15-19lb 3X-Large Length: 2.5" Width: 2.1" Recommend Weight: 20-38lbNote - It Is Manual Measurement, There May Be 2-3cm Error. Please Kindly Understanding. If Your Dog Is In Between Size, Please Choose The Larger Size.The Item Color Displayed In Photos May Be Showing Slightly Different On Your Computer Monitor Since Monitors Are Not Calibrated Same. Note - Here we have a variety of pet shoes, please note that the fabric of outdoor boots is stain resistant and slightly waterproof,but it is not suitable for prolonged immersion in water.This shoe is more suitable for indoor shoes and walking in sunny weather. Machine washable - All materials are breathable and washable. The indoor booties are fitted with soft ployester and comfortable cotton, and the test is the most acceptable dog shoe. Boots are perfect for wet environments. Easy to wear -- Easy to put on and durable, but not easy to fall off. Closed control with flexible and adjustable tape. With reflective strip, safe reflection at night, so that your dog can be seen at night. High-quality materials - The boot is made of oxford. The lining is soft and suitable for claws. The flexible sole is made of soft granules. It has a good anti-slip effect and can provide traction to protect the dog's claws from the road, grass and tiles. Make sure the paws are smaller than the shoes by 0.1-0.2 inches.