UST WetFire Tinder with Lightweight, Compact Design, Individual Packaging and 5 Year Shelf Life for Hiking, Backpacking, Camping and Outdoor Survival DIMENSIONS: .75 H x .75 W x .5 D weighs 0.16 oz each VERSATILITY: The cube can be broken off for multiple uses and can be used with any sparking device including USTs StrikeForce, SparkForce, BlastMatch or Sparkie RELIABLE: Safe, lightweight tinder guaranteed to light in wind, water or other adverse weather conditions and are a small size making them perfect for storing in backpacks and other outdoor gear DURABLE: Cubed tinders are individually packed to maintain freshness with 5-year shelf life if left unopened BE PREPARED: Only a small amount is needed to start a fire and they burn for up to 5 minutes each making these ideal for emergency situations