I was doing my research on earthquakes and I came across the Japanese Quake grab bag. Japanese people carry these around just in case there is unexpected earthquake like the one that happened in 2011. You may not think this is funny, but I got extremely excited when I found out that there was such thing as a portable toilet in which you can fit inside a bag.
Survival tabs are ultra high calorie food tablets that provide all essential vitamins and minerals. Fits easily into 72 hour kits and bug out bags, adding just under a pound. 10 Year shelf life, and the chocolate ones are tasty!