Cardstick ruler stickers
Always have a ruler in your wallet!Cardstick wraps around any credit/debit or other plastic card, and turns it into a ruler. Just stick and fold! They include both inches and metric measurements. This is a set of THREE decals: clear, white and yellow. Cardstick ruler decals are also great on other devices, like your mobile phone or camera. Durable and waterproof, these decals withstand credit card swiping. Be sure to apply so that it doesn't cover the magnetic strip.