Expand your horizons today! Excellent alternative to heavy boxes and cartons, expansion envelopes are used for bulky materials, such as brochures, catalogs, financial reports or book mailings. Available in various sizes and expansion widths, ranging from a 1 inch to 4-inch wide expansion, in Tyvek®, White Kraft and Brown Kraft. Zip Stick® self-adhesive flap is on the short side, helping to keep things from falling out after opening.
Extra heavyweight, 40lb. Kraft stock is strong and sturdy. Brown Kraft is actually an orangey brown and the Zip Stick® closure delivers an easy self-adhesive secure seal.