Cheap And Discounts 10PCS 4x7/inch 12x18cm Teal Green Poly Bubble Mailers Padded Envelopes Self Seal Envelope Bubble Envelope Shipping Envelopes Wholesale. Buy Directly From Merchant Speedy Mailers Package Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.