Buy on Amazon : http://www.amazon.com/gp/product/B000S5HCZ8?tag=scratchandsti-20 <br /> <br />Lastolite LL LR1252 12-Inch All Weather Ezybalance Card (Grey/White) <br /> <br />Lastolite EzyBalance GreyWhite Card 12 305cm Exposure Aid Card - Water proof - Scuba Capable
