32 eBay Branded Polyjacket 6.25″, 9″, 10″, and 12″ Envelopes Shipping Supplies. Colorful Envelopes Shipping Supplies. These envelopes have no padding. You will receive either green, blue or red, whatever we have available. This is a great deal so take advantage of it while they last! Included sizes are as below: 8 – 6.25″ x 8.5″ size8 – 9″ x 11.5″ size8 – 10″ x 12.5″ size8 – 12″ x 15″ size Stored in smoke free, pet free home. FREE SHIPPING!