Jetboil Jetguage Fuel Level Measuring Tool Mugs Tumblers and Glasses The slope card is great

The slope card is great both for detecting avalanche risk and for determining how challenging your journey will be

spark it with a ferro rod

Also ideal for camping

Topped with a vacuum-sealed lid for extra spill resistance and a handy side-release clip

Antibacterial treated

Jetboil Jetguage Fuel Level Measuring Tool Mugs Tumblers and Glasses The slope card is greatJetboil Jetguage Fuel Level Measuring Tool Engineered to accurately measure the fuel level of any Jetboil canister, this tool will help you know before you go. Jetboil Jetguage Fuel Level Measuring Tool Specifications & Features : 3 settings for weighing 100 g, 230 g and 450 g JetPower canistersEasy to read digital output fuel levelsConvenient usage guide to help meal planningCompatible with all isobutane propane backpacking fuel canisters