Classic Backpack – Rareform。RAREFORM Colorblock Backpack Blue Teal Gray Black Fabric Zip. Rareform One of A Kind Mini Backpack (Each piece is one of a kind and made from recycled billboards) - Good Used Condition. The RAREFORM Colorblock Backpack in Blue, Teal, Gray, and Black is a stylish and practical choice for kids. Featuring a zip closure and shoulder strap handle style, this backpack is perfect for school or everyday use. The colorblock design adds a fun and vibrant touch, while the fabric lining ensures durability. With its sleek and modern style, this backpack is sure to stand out and make a statement.