Product Name: Bag Clip/Book Clip. Material: Stainless steel. Color: Silver. 1. Rugged and durable. The sealing clip is made of high-quality stainless steel material, which is stronger and more durable than plastic material. 2. Powerful spring. The sealing clip has a built-in strong spring, which has a stronger bite force, more durable, and a tight bite, which can effectively isolate dust and water vapor. 3. Wire drawing treatment. The surface of the sealing clip is brushed and polished, which makes it feel delicate and comfortable, wear-resistant and scratch-resistant. Features: strong and sturdy, strong spring, isolate water vapor, delicate and smooth. Package includes: 1Pcs Adjustable Bag Clip. Size: M: 5.6cm*5.8cm, L: 12cm*7.5cm. Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. 2. Please forgive 1 cm/0.39"-3 cm/1.18" measuring deviation due to manual measurement.