JAM PAPER 6 x 9 Booklet Translucent Vellum Envelopes - Clear - 25/Pack Clear translucent vellum booklet envelope Size: 6 x 9 inches Quantity: 25 envelopes per pack Envelopes are acid-free and recyclable. Translucent Vellum finish makes an exciting statement for any and all greeting cards, thank you's and invitations!