Easily create your own customized cards with Avery Glossy White 3-1/2" x 5" Rectangle Cards. Crafted from premium glossy white cardstock, these cards amplify designs with a glossy front and a matte back and are perfect for index cards, flash cards, recipe cards, and more. Create your own RSVP cards, promotional cards, product insert cards, and more that also meet USPS size and thickness requirements for postcards. Created with heavyweight and durable 83lb / 227GSM glossy white cardstock, the glossy white material is a versatile fit for any project or event. Printable on both sides, compatible with laser and inkjet printers, and featuring a print-to-the-edge layout, the cards let you create professional designs that let you print all the way to the edge.