JAM Paper® #10 Strathmore Business Stationery Set is the perfect way to deliver an assortment of correspondence with ease. This stationery set includes 100 envelopes and 100 sheets of matching letter paper to craft classy correspondence with ease. The 4 1/8" x 1/2" envelopes are fashioned from high quality 24-pound paper with a linen finish and feature a booklet opening, straight back flap and secure moisture-activated gummed closure. Each sheet of paper measures 8 1/2" x 11" and is made of smooth 24 lb. high quality Strathmore paper suitable for printing and writing on. Ideal for letters, greeting cards, event invitations, marketing materials, business mailings, snail mail, and more!Details:Available in assorted colors8.5" x 11" paper size4.125" x 9.5" envelope size100 sets (cards and envelopes)Booklet openingStraight flapMoisture-activated gummed closure24 lb. Strathmore paper