Our best-selling Allpa pack has transformed into a burly roller that puts four-wheeled bags to shame on cobbled streets, dirt roads, and stairs. Made from durable, water-resistant polyester and lightweight yet strong ballistic nylon paneling, the carry-on-compatible Allpa Roller Bag hangs tough. And it features the split-case organization our Allpas are known for to keep you dialed wherever you adventure. Allpa 38L Roller Bag