1, Outside is waterproof fabric, soft and comfortable 2, D-ring on the back is just for decorating, please don't use for leash attachment 3, Easy to put on and take off 4, Keep your puppy clean, trendy and stylish 5, Please measure your pets correctly and check the size chart before place order Material: Polyester Label: Yes Size: XS, Back Length: 23cm, Bust: 36cm, Neck: 26cm Size: S, Back Length: 28cm, Bust: 42cm, Neck: 31cm Size: M, Back Length: 34cm, Bust: 48cm, Neck: 35cm Size: L, Back Length: 38cm, Bust: 54cm, Neck: 39cm Size: XL, Back Length: 43cm, Bust: 60cm, Neck: 45cm Note: 1. Due to differences in lighting and screen settings, the color of the item may vary slightly from the picture. 2. Please understand that the size will be slightly different due to different manual measurement methods. 3. The weight recommendation is for reference only, please choose the most suitable size according to pet's chest circumference and back length.