Thank you for viewing! Product Details: Bubble Mailers - Set of 4 Size: Outer dimensions: 20 x 25 cm + 4 cm *Inner dimensions: 18 x 25 cm Color: Black Waterproof! Perfect for shipping small items! Black cushion mailers (20 x 25 cm). The inside has an air cushion that excels at shock absorption, so there's no need to wrap items in cushioning material, protecting the contents securely. It also has a strong adhesive sealing tape for efficient packing. The surface is made of water-resistant polyethylene, so it's tear-resistant, and you don't have to worry about the contents getting wet in the rain. Convenient for shipping fragile items such as paperback books, documents, miscellaneous goods, accessories, cosmetics, small computer peripherals, smartphone cases, CDs, and DVDs! Lightweight and slim, it reduces the thickness during packing, which can lower shipping costs. The simple and high-quality black design also protects privacy because the contents are not visible. Compatible with Mercari shipping (Nekopos, Yu-packet), Click Post, and Yu-mail. *The color of the actual product may appear different from the photos due to lighting and display settings during photography. Also, please be sure to check the size before ordering. Measurements are taken with the product laid flat and measured in a straight line. Please understand that there may be a few millimeters of error. The design may be slightly changed depending on the production lot. The actual product takes precedence. Due to being an overseas product, there may be scratches, stains, and minor imperfections. ↓↓Please also take a look at my other listings↓↓ *Please sort by "Newest" to view all products. #kazuponshopDailyNecessitiesAndSmallItems ↓↓All products currently listed↓↓ #kazuponshop *If purchased on Friday afternoon, Saturday, or Sunday, replies to comments and shipping may be delayed until Monday or later (Tuesday if it's a holiday), please understand.