1. The vest can be reused after being inflated, just change the cylinder according to the instructions. ​2. The inflation time of the vest is 0.2s. When accidentally falls off the horse or motorcycle, it can be inflated in a short time and protect the body. ​ 3. The waistcoat is made of canvas material, which is breathable and wearable. ​4.There is a size guide in the picture, if you don’t know how to choose the size you need, you can contact us ​ ​5.The vest is sold separately, excluding the gas cylinder. (The cylinder is 35g, 1/2 inch thread, You can buy it locally or at my store) UPC 791306339351 Color Black Style Motorcycle Zipper Pattern Solid Seasons All Fit Type Fitted Material Canvas Brand Name flyastar Unit Count 1 Count Fabric Type canvas Part Number MT-AQF-02 Sleeve Type Short Closure Type Zipper Manufacturer flyastar Style Number MT-AQF-02 Number Of Pockets 2 Pocket Description Utility Pocket Coat Silhouette Type Aviator Age Range Description Adult Fit to Size Sentiment Positive Apparel Fabric Stretch No Stretch Item Length Description Standard Length Product Care Instructions Hand Wash Only Sleeve Length Description Short Sleeve Apparel Fabric Weight Class Medium Weight Has Coat Weather Resistance Yes