10Pcs/Lot Bubble Mailers Aluminized Bags Envelope Self Seal Postal Gift Packaging Bags Book Package Colorful Bags18 23 4CM These aluminized bubble mailers provide a practical, readytouse solution for protecting items during and gifting. With a selfsealing closure, bubble cushioning, and an aluminized interior, they offer a simple, reliable option for lightweight shipments. The colorful exterior adds a presentable touch for gifts and retail packaging, while the compact 18 x 23 cm size with a 4 cm gusset accommodates a variety of small items. Key features Quantity: 10 pieces per lot Type: Bubble mailer envelope with aluminized lining Closure: Selfsealing adhesive strip for quick, secure closing Exterior: Colorful bags for a bright, presentable look Interior: Bubble cushioning for protection against impact Dimensions: 18 cm x 23 cm exterior size Gusset: 4 cm for added packaging depth Material: Aluminized interior with bubble lining provides protection and structure Intended use: Postal gift packaging, book , and general smallitem Benefits and why you need them Safe transport: Bubble cushioning helps protect contents from impact during handling and transit. Easy to seal: Selfseal closure streamlines packing, saving time during fulfillment. Presentable packaging: Colorful exterior gives a professional yet appealing look for gifts and online orders. Lightweight and economical: Combines protection with low weight to help minimize costs. Versatile size: The 18 x 23 cm format with a 4 cm gusset suits books, documents, small gifts, and other compact items. Recommended applications Book : Ideal for mailing books and magazines securely without additional wrapping. Postal gift packaging: for gift items or retail shipments that require a neat, protective package. Smallitem shipments: Suitable for cosmetics, jewelry, stationery, accessories, or other lightweight goods that fit within the size. Specifications at a glance Lot quantity: 10 pieces Package type: Bubble mailer envelope Exterior color: Colorful Interior type: Aluminized bubble lining Closure: Selfseal adhesive strip External size: 18 x 23 cm Gusset: 4 cm Use cases: Books, gifts, small items This description reflects the product's brandaligned features and specifications: 10Pcs/Lot, Bubble Mailers, Aluminized Bags Envelope, Self Seal, Postal Gift Packaging Bags, Book Package, Colorful Bags, 18 23 4CM.