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 UST’s 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