Material : Durable double-layer mesh cloth ,Breathable and comfortable to wear.Especially in the summer.Reflective Safety: 3M reflective material, ensuring the canine's safety above all else whether it is day or night.Ergonomic design : Easy on, easy off. Reduces risk of common harness chafing irritation of skin by repetitive friction.Straps: Adjustable straps with quick-release buckles are also in-bedded with reflective pipping. All-weather feature: Helps keep pet's body temperature cool in summer by releasing excess heat and warm in the winter by retaining heat.Specification：Material: double mesh clothSize : S,M,L,XLPackage: Pet vest X 1Notes: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.