Send your mail in a clean and professional way with Business Source plain peel/seal business envelopes. Featuring a peel-back adhesive strip, these envelopes seal easily without moisture. The protective strip keeps the adhesive clean and dust-free for reliable use. Made of 24lb. wove stock, these envelopes easily withstand everyday handling. | Business Source 9 1/2" x 4 1/8" Plain Peel/Seal Business Envelopes - 500 / Box - White