Still looking for reliable packaging and transporting for your jewelry and other items that need to be protected? These aluminum film are a professional way to transport all your packages, shockproof and waterproof, and play a very good protective effect. At the same time, it is light in weight and will not cause pressure on your . Features - Color: black. - Material: PET. - Size: 23.00X18.00X0.50cm/ 9.04X7.07X0.20inch. - The well-structured aluminum film tape provides shock-proof and waterproof protection, very professional to use. - Suitable for jewelry, T-shirts, blankets, scarves or other items that are not easily damaged for daily use. - Easy to peel and seal, just uncover and expose the adhesive, you can seal and mail in a few seconds. - With moderate thickness and proper size, and the weight is light, which will not cause pressure on your items. - Provides protective cushioning, which is fragile items. Applicable to the industry or personal use. Package list: 25 x Mailer