50 piece Purple Metallic Bubble Mailers 10.5×15 NEW Padded Envelopes Extra Large 【Noble Color】 Matte metallic purple make your package more attractive.【Super Durable】 Metallic finish, wear proof, moisture proof, waterproof and moisture resistant.【Total Protection】 Multi-layers of bubble protection, get your package safely to your destination.【Privacy Protection】 Metallic finish, people can’t see what’s inside.【Super Viscous】 Hot melt adhesive strip, strong viscosity, once bonded, can only be destructive to open it, improve your package security.