I have a couple of these. They are fashionable and well made. I live in Alaska and my neighbors are Grizzly bears and Black bears. I went through 4 cannisters of bear spray last year. These feature a quick draw and are made of sturdy materials.It also holds a cannister so securely that I can bend over, climb,etc and my cannister stays firmly in its case as this spray holder is elasticized.

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I'm not sure why it is called "Robo Flip" but it is a very well made and very good looking pack. It feels a little smaller than 21 liters to me but that is probably because I don't pack it from top to bottom. The compression straps cinch it down and streamline it quite a bit, too, but you could easily travel with this as a carry-on for 5 days if you pack right and are a minimalist type. I like it every day to work though and it seems like it will still look like new years from now. The materials and sewing are just so excellent and the zippers and clasps are all top of the line, too. It gives it a very 'rich'' look and feels like a superb deal to me. I got the lemon-gravel color and nothing else looks like this pack out there so I get a lot of compliments. There isn't much organization in this pack so I'd only recommend it for people (like me) who use pouches and don't really need lots of pockets. The top lid/brain hold all the quick-access stuff you could want (phone, wallet, keys, small first aid kit and air pod pros really well. The laptop is also beautifully done, secure, padded, and elevated a little from the bottom for extra protection in case you drop the bag. Superb item really!