Made of plastic material. Its clear, and building a great friction with card. Easily to seen clearly the ID name card badges through the clear plastic window and keep in place. There is a elastic strap bands on the ID card badge holder that is strong, durable and adjustable. Strong adhesive and can be fixing on your arm steadily. Fit for all different size arms. There are 3 badge holder which are green, black, and orange. There are 3 badge holder which are green, black, and orange. The bright neon colors are convenient to seen at night. Perfect for matched with reflective safety vest. Perfect for indoors, outdoors, motorcycle riding, Ski pass, warehouse, police, security, factory and more. Product Description: Made of plastic material. It's clear, durable and building a great friction with card. Easily to seen clearly the ID name card badges through the clear plastic window and keep in place. There is a elastic strap bands on the ID card badge holder that is strong, durable and adjustable. Strong adhesive and can be fixing on your arm steadily. Fit for all different size arms. Flap can help prevent rain or debris coming in rainy or cold and hot weather. There are 3 badge holder which are green, black, and orange. The bright neon colors are convenient to seen at night. Perfect for matched with reflective safety vest. Perfect for indoors, outdoors, motorcycle riding, Ski pass, warehouse, police, security, factory and more.