- Lightweight survival card brings together a variety of fishing and hunting tools, clever combination of multiple cards. - Average only 0.56 oz per piece and no bigger than the size of a credit card, fits right in your wallet. - Made of 304 stainless steel, hardened and corrosion resistant, contains a variety of emergency tools. - This survival credit card is used for many ways: camping, hiking, fishing, hunting, training for emergency, wilderness survival, and other adventure activities.