Recycled Plastic Grocery Store Bags Crocheted into Stylish Market Bags. Great for books, small electronics, & e-Readers. Perfect overnight bags or for a day at the beach or pool.. Plarn - Plastic yarn, or plarn, is constructed from post consumer poly bags. You may not think that plarn would be strong, since grocery bags are relatively weak, but once you combine & stitch them, they are very durable. Approximate Measurements - 17 H x 14 W Recycled Approximately - 75 Post Consumer Plastic Bags Machine washable - On warm to cold setting. Hang dry Reusable Market Bags | Plarn Tote Yellow & Grey Striped