Handmade: Strictly follow the product’s version and size cutting and precision sewing. High quality pearl cotton filling, environmental protection and health. Featured fabrics: Select qualified pure cotton fabrics to ensure comfort and durability. The end can be freely adjusted: Don’t worry about the inappropriate neck circumference. Size reference:XL size (suitable for cats and dogs about 16-28 kg). Note: This product is a pet decoration collar, not a pet traction collar, please do not use it as a traction collar. Each bar is filled by hand over 40 minutes, ? The needlework of the product takes 10 minutes ? Reminder: Because the Japanese style pet collar is purely handmade, the process is complicated, the filling and sealing are manual operations and time-consuming, manual production is not as regular as equipment production, each will be a little different. Size reference: S size (suitable for cats and dogs about 0-3 kg), M size (suitable for cats and dogs about 3-8 kg), L size