Bottle Mate - Bottled Gas Level Indicator

Running out of gas onboard is a pain. Even worse is the game that is picking the bottle up and shaking it to work out how much is left. Let's face it, does anyone get that right?  Take all the guesswork out of it with Bottle mate. Simply stick it on the side and wait for the thermochromic material to change colour revealing your gas bottle level. Cant wait that long, just pour some warm water over it to speed up the reaction. Easy, simple and affordable solutions to a half cooked bacon sandwich. 

• Easy to use 
• No batteries 
• Re-usable 
• Peel - Stick - Read