Blank. See through to a clearer sales strategy when you carry your promotional products in our convenient See-Thru Zip Pouch! Sold blank, this plastic envelope is handy for carrying small items such as buttons, coins, keytags and I.D. cards, as well as separating categories while traveling. As one of the most economical giveaways in the industry, this pouch is commonly used at just about every business venue where small products are promoted.