Portable Extra-large Head Windproof Waterproof Matches (5) Match length: 5.0cm Medicine head length: 3.0cm. Type: emergency matches Windproof, waterproof easy spontaneous combustion, strong safety performance. The storm proof Matches are easy to light, and will stay lit for up to 8-10 seconds, even after being submersed in water! Being able to reliably make a fire is vital for cooking, generating warmth, and in survival situations, making signal fires. The storm proof Matches are perfect for camping and emergency kits. The storm proof Matches should be part of every 10 essential check list. 5 Packs of 20 Matches Each In Waterproof Containers = 100 Matches & 5 Waterproof Holders!