Avery 5x7 inch labels are 2 per sheet and are available to purchase in a variety of colors and materials and quantities at https://www.avery.com/blank/labels/94258
You can use the Presta 94258 templates for Design & Print Online, Word, Photoshop and Illustrator.
Here's some information on recommended printer settings.
If you want more information about a specific Avery label, search for the product number on avery.com.