Kangnice&reg; New Outdoor Camping Hiking Equipment Sporting Self Help Survival Emergency Tools Box Kit Set Lightweight, and with a keychain, easy to carry.Larger diameter, the whistle more ring, it is necessary supplies for outside help. Will not fade and longer life.Suitable for hunter, fisher, camper, explorer, emergency, other outdoor activities & family use etc. Can be used for cutting wood, plastic, bone, rubber and soft metal. Box Size:12cm/4.72'' in length, 8cm/3.15'' in width, 3.5cm/1.38'' in height.( Approx.) Box Material:Plastic