I'm so glad that you love them! I have copied the product information for both the field tile and the mosaic tile below. You can find these on www.lowes.com or go into your local store and an associate will be able to pull up the product in our system with the item numbers below!

Elida Ceramica Volcanic Platinum Glass Mosaic Subway Indoor/Outdoor Wall Tile (Common: 12-in x 14-in; Actual: 11.75-in x 11.75-in)
Item #: 526252 | Model #: CHIGLABPVE524

Style Selections Leonia Sand Glazed Porcelain Indoor/Outdoor Floor Tile (Common: 12-in x 24-in; Actual: 11.75-in x 23.75-in)
Item #: 446992 | Model #: 1095284

Thanks for the detailed info! I'm going to borrow or steal your great idea for our master bath remodel !

The 12x24 Field Tile is bricklaid! Just make sure to let your installer know! Lowe's is also now offering full bathroom remodel services, myself the designer works directly with a general contractor hired through Lowe's to oversee all kitchen and bathroom remodel projects from demo, drywall, plumbing and electrical to cabinets and showers!