The endura seat pack is discreet but has plenty of room for an inner tube gas cartridge and an external pocket for a multi tool this endura saddle bag is crafted from durable weatherproof materials and features waterproof zips to ensure your contents stay dry and free of water damage incredibly easy to apply this endura saddle pack features industrial strength velcro attachments which effectively secure it and keep it firmly in place no matter how bumpy the ride transport your essentials