Made of premium plastic and spring, durable, light weight, tightly sealing the bag and longer preserving the foods. No more twist ties. Easy locking and sealing bread bags, rice, nuts, beans, dried fruit, even frozen food bags. Takes only 2 seconds. Fit for most of the slim bag, specially good for those very thin and flimsy bags like bread bags, sandwich and salad bags. Economic and reusable 6 packs in 3 different vibrant color, ideal for daily life. Please keep this bag cinch away from your children in case it hurts their fingers. Well preserving foods, get verything tidy and in order. Easy locking and sealing bread bags, rice, nuts, beans, dried fruit, even frozen food bags. Takes only 2 seconds. Specification: Color: blue, green, pink Material: ABS + built-in spring Size: 6.21.71.7CM Delivery Quantity: 6pcs