Specifications: Secure, strong, and comfortable. Harness made from a soft and breathable air mesh. Adjustable chest strap for an easy fit. Quick-release plastic buckle. Nickel-plated D-ring for leash attachment. Lightweight and breathable, it's very suitable for your pet. Also can help stop your dog pulling whilst walking. Type: Strap Mesh Vest Fit: for Puppy, Dog Material: Nylon, Mesh Size Details [Our Size XS] Collar: 22cm/8.66", Chest: 28cm - 38cm/11.02" - 14.96" (Approx.) [Our Size S] Collar: 26cm/10.24", Chest: 30cm - 42cm/11.81" - 16.54" (Approx.) [Our Size M] Collar: 32cm/12.60", Chest: 35cm - 50cm/13.78" - 19.69" (Approx.) [Our Size L] Collar: 38cm/14.96", Chest: 42cm - 60cm/16.54" - 23.62" (Approx.) [Our Size XL] Collar: 42cm/16.54", Chest: 57cm - 70cm/22.44" - 27.56" (Approx.) Notes: Vest only, leash is not included. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Strap Mesh Vest Secure, strong, and comfortable. Harness made from a soft and breathable air mesh. Adjustable chest strap for an easy fit. Quick-release plastic buckle. Nickel-plated D-ring for leash attachment.