This disposable rain poncho keychain is made of plastic. It is a collapsible emergency poncho ideal for camping, hiking, vacations and all outdoor activities. Waterproof and compact, it folds neatly into a small ball that fits easily in your backpack, bag or pocket. Disposable raincoat size: 47 1/4" L × 35 3/8" W; Ball size: 2 1/2" diameter.