Food grade polypropylene plastic material is durable, safe, eco-friendly and easy to use and take. Features unique hinges flex and airtight seal for multi functional. Used for sealing pouch to keep food , snacks and fruit fresh and store longer. The food sealed clamp is an indispensable part for a family life, as a great giveaway promotion gift for your brand exposure. Assorted colors in stock are available. 3 1/8" L x 1/2" W