JAM Paper® Sea Blue 9 x 12 Open End Catalog with Clasp Closure Envelopes are made out of high quality smooth 30% recycled 24lb paper. This pack contains 10 envelopes. At 9 x 12 inches in size these envelopes are perfect for enclosing standard sized sheets of paper without folding or creating creases! Each one features a bright shade of sea blue! To keep the contents placed inside secure while in transport these envelopes have commercial style flaps and reliable easy-to-use metal clasp closure. Each one also has an optional-use gum closure for additional reinforcement. Use these blue envelopes to mail letters promotional materials and more! Size: 9 x 12 | Color: Sea Blue Recycled | Quantity: 10/pack