Providing durable water resistant protection for your gear, the StashPak roll-tops are built to survive harsh conditions. Both bags provide detachable straps for easy portability, 4 d-rings for securing anywhere, and a detachable pouch for small essentials. The StashPak roll-tops come in two sizes, 20 Liter (AE3507) and 40 Liter (AE3508) and pack into the detachable pouch for compact storage when not in use.