Custom 16 x 12 Custom Canvas Print Premium. Your image is printed using high quality HD archival inks. We use high quality archival grade canvas that is a. Choose your favorite 16x12 canvas prints from 55 available designs. All 16x12 canvas prints ship within 48 hours and include a day money-back guarantee. Create custom and personalized canvas photo prints at Walgreens Photo. Choose your photos or design, and embellish with backgrounds, text, frames & more.