Our Standard Map Cases have a watertight, wide-track zip closure and are sure to fend off rain and waves. * For most current outdoor and paddling maps. * D-rings for easy attachment to kayak, canoe, handlebars or backpack. Large: $19.95* Weight: 7 oz./225 g Inside Dimensions: 14 x 20.5 in./38 x 52 cm Outside Dimensions: 16 x 22 in./41 x 56.5 cm Medium: $14.95* Weight: 5 oz./130 g Inside Dimensions: 10 x 14.5 in./26 x 37 cm Outside Dimensions: 12 x 16 in./30 x 41 cm Small: $11.95* Weight: 2.5 oz./80 g Inside Dimensions: 6 x 10.5 in./16 x 27 cm Outside Dimensions: 8 x 12 in./20 x 30 cm Seal Line - Map Case Our Standard Map Cases have a watertight wide track zip closure and are sure to fend off rain and waves For most current outdoor and paddling maps D rings for easy attachment to kayak canoe handlebars or backpack Large 19 95 Weight 7 oz 225 g Inside Dimensions 14 x 20 5 in 38 x 52 cm Outside Dimensions 16 x 22 in 41 x 56 5 cm Medium 14 95 Weight 5 oz 130 g Inside Dimensions 10 x 14 5 in 26 x 37 cm Outside Dimensions 12 x 16 in 30 x 41 cm Small 11 95 Weight 2 5 oz 80 g Inside Dimensions 6 x 10 5 in 16 x 27 cm Outside Dimensions 8 x 12 in 20 x 30 cm