Protect your valuable shipments with these professional-grade poly bubble mailers. These 8.5" x 12" padded envelopes feature multiple layers of protection, including a water-resistant and dustproof exterior that shields contents from moisture and debris. The high-quality poly material construction prevents punctures and tears, while strong bubble protection cushions items during transit. Each mailer comes with a reliable adhesive seal to keep contents secure throughout shipping. These versatile shipping supplies are perfect for e-commerce businesses, office shipping needs, or anyone requiring dependable protective packaging. The lightweight yet durable design helps safeguard documents, small electronics, jewelry, and other delicate items. This 5 pack of mailers delivers professional-level shipping protection with features like tearproof construction and waterproof materials that stand up to the rigors of shipping and handling. WATERPROOF PROTECTION: Features high-quality waterproof and moisture-proof material to keep contents safe and dry during shipping and handling SECURE SEAL: Strong adhesive closure ensures packages remain tightly sealed throughout the shipping process PUNCTURE RESISTANT: Premium poly bubble material construction prevents tearing and protects items from damage during transit PERFECT SIZE: Measures 8.5 x 12 inches on the outer, with a usable space of 8.5 x 11 inches. Ideal for shipping small items, documents, and accessories MULTI-LAYER DEFENSE: Combines dustproof, tearproof, and water-resistant properties for maximum protection of your shipments