Customized Art Party Birthday Invitation To personalize this item: Please complete the details in the "Customize Now" section, if you need to include more details please email The Mlange Market with your wording at themelangemarket@gmail.com all wording is your choice. Please include your Amazon order number in your subject line. Card Size: 4.00" x 6.00", Photo Paper yields a glossy finish and exceptionally rich colors, Weight: 260g/m2 (69lbs) Thickness: 10.6 mil Brightness (ISO) 92% Sold in pack of 20 invitations and 20 white envelopes. You will receive a proof by email within 1 (one) business day. Please check your email! We will not print and ship until we have a Final Approval! A delay in the approval of your E-Proof will delay the production turn-around time of your order!. Please note: it takes 2-3 business days turn-around time to print your order from the date you approve your order. Need more? We sell in any quantity over 20. Just contact us.