Description Size: 8.66 x 11.8 inches The mailing bubble envelopes are suitable for packaging shadow box frames, gadgets, clothing, books, etc. It is waterproof and helps prevent water, moisture, dust. USE: For your airpods, perfume oils, jewelry, lip gloss, cosmetic, electronic accessories, christmas ornaments, keychains, hair bands and other multi-purpose bags, or wedding gifts, Birthday party gift wrapping, and home decorations.