JAM Paper Olive envelopes are available in over 20 sizes! Choose the size that’s right for you. The brightest colors in the industry are acid free, archival, and made from water soluble dyes. These bright envelopes are fun and perfect for any occasion! The non "ultra" colors are recycled and made from 30% post consumer paper. All of these colorful, bright envelopes have matching 24lb paper and 65lb cover. Can be used as an alternative to plain printer paper. Size: 4 1/8in x 9/12in | Color: Olive | Material: Recycled Paper Send Colorful Greetings in Style Pair w/ shades like Dark Green & Green Perfect for Mailing & Crafting