Seal Line map cases are a tough, plastic, double-sided watertight map sleeve with a ziplock closure. They come in three sizes:
Small - 8 x 12 inches (20 x 30 cm)
Medium - 12 x 16 inches (30 x 41 cm)
(Our preferred size)
Large - (16 x 22 inches) (41 x 56 cm)
Near the Canadian Rockies, they are available at
MEC (Mountain Equipment Co-op) in Calgary.
At MEC, the medium-size one retails for $17.00, and the large one retails for $21.00.
Seal Line map cases are also available at other outdoor stores throughout Canada and the USA. For more information on the product, check out
Seal Line's website.