Features: 1. Please measure your dogs before purchase. When you receive the harness, please remember to adjust the straps as need while try it first for the best fit 2. Breathable mesh fabric design inside helps better ventilation for your dogs while running and keep it cool and comfortable 3. User friendly design: with two sturdy releasable buckles on the chest straps and four adjustable straps with loop fasteners on both neck and chest strips 4. This harness is easy to put on or take off your dog and no-choke. 5. With oxford fabric and rhombus design on the outside, this dog harness is partially waterproof and hand washable. Attention: make sure the mesh fabric is dry completely after wash before use Specification: Material: Mesh Lenght:1.2m Width: 1.5m Size Bust Neck Fit Weight S 34 24 1.5-2.5kg M 39 30 2.5-4kg L 46 34 4-6kg XL 57 38 6-7.5kg Notice: 1.Due to the different monitor and light effect, the actual color may be a slightly different from the picture color. 2.Please allow 1-3cm differs due to manual measurement.