Dress up your mail with color and style using JAM Paper® #10 Business Translucent Vellum Envelopes! Our Primary Yellow business envelopes give recipients a sneak peek at your message as each are made from 30 lb. translucent paper that uniquely show off the shape and color of your mail. Each envelope measures 4 1/8 x 9 1/2 excellent for sending important notices announcements invoices checks statements cash promotional/marketing materials and much more! These envelopes are available in standard and hard-to-find sizes ensuring all types of paper and cards fit. From personal to professional occasions our envelopes cater to all your needs in style and efficiency! This pack includes 50 envelopes. Each has a booklet opening straight flap gum closure and vellum finish. Size: 4.125in x 9.5in | Color: Primary Yellow | Quantity: 50/pack