Nylon Cord Survival Bracelet with WhistleHand woven nylon cord which can be unwound in survival situations. Use for shelter building, splint lashing, spear attaching, animal snares, etc. Handy emergency whistle built into the side release buckle. One size. Measures 10" overall x 7/8"W x 1/4" thick. Black only. Weighs .12 lbs.