JAM Paper Size 10 Stardream metallic envelopes in a carton of 25 are designed in jupiter red color with extra shine and features square gummed flap. Say it in red with JAM Paper #10 Business Envelopes. Featuring an eye-catching Jupiter Red exterior, recipient's are guaranteed to notice your mail! From birthday invitations to business correspondence, these envelopes provide versatility without having to sacrifice style. Available in an variety of sizes, finding the perfect envelope is simple. This pack contains 25 Jupiter Red Stardream Metallic envelopes. Each envelope measures 4 1/8" x 9 1/2", has a booklet opening, straight flap, gum closure, is made from 32 lb.