Dry Pak Multi-Purpose CaseThe Dry Pak Multi-Purpose Case features clear, heavy gauge vinyl, 2 D-rings sewn into corners, and yellow sealing clip for high visibility. This Multi-Purpose case comes in three different sizes, and can fit a wide range of products. All DRY PAK items have cam lock clips on top that hermetically seal out water, sand and dust. Simply twist the knobs upwards to open; twist back down to seal. It's that simple!Sizes Available: 6" x 9" ; Maximum Circumference: 11"; 9" x 12"; Maximum Circumference: 17"; 12" x 16"; Maximum Circumference: 22";