#5 METALLIC SELF-SEAL BUBBLE MAILERS. 10.5" x 15"inch; Our color poly bubble mailers are sure to set your business apart from the rest. Build a lasting impression that'll keep your customers coming back. SECURE. Just peel and seal to create a strong lasting seal, no need to worry about your contents failing out during transit even when shipping hefty shipments like halfSize catalogs or magazines. LIGHTWEIGHT. These bubble lined envelopes are lightweight and do not add to your shipping costs. Padded envelopes are completely opaque and protect the shipped items from prying and curious eyes. DURABLE. Our poly mailers are crafted with the finest materials. The mailers are tear-resistant, puncture-resistant, and waterproof. These can provide effective shipping protection for your products. MULTI-PURPOSE. Envelopes can be used in home, office, business and where there's a need for shipping.