Material Alloy Steel Color Black Modern Style Age Range (description) Adult Size One Size< /p> Item Length 17.5 Centimeters Nature Theme Round Shape Item Dimensions L x W x H 25 x 8 x 2 centimeters See less About this item 5-in-1 emergency survival kit: each bracelet consists of a flint and steel fire starter, a powerful 100 dB whistle, a basic compass, a mini saw and a military-grade waterproof paracord Adjustable strap length: this tactical first aid bracelet adapts to wrist circumferences of 17 to 24 cm (for children, women and men, even corpulent) Military quality parachute cord: up to 3 m of paracord 7-core waterproof can be used to build a shelter, make a trap, a raft, make a tourniquet, act as tinder to start a fire, create a clothesline to dry your wet clothes, attach a splint to your injured leg or carrying heavy objects (up to 250 kg) Prepare for the cold: this portable fire starter kit is ideal for outdoor adventures such as camping, hiking, hiking, hunting, fishing and boating. It can protect you from the cold