dimensions: 4.5” H x 4” W x 1.5” D and weighs 3.4 oz ease of use: Contains the tools and lessons on tying knots in a time of emergency (Double Fisherman, Bowline, Figure 8, Figure 8 Loop, Clove Hitch, Close Hitch on a Bight, Prusik Hitch, Square Knot, Trucker’s Hitch, Taut-line Hitch and Double Sheet Bend) durable: Education cards are waterproof and the entire kit comes in a shatterproof, polycarbonate case with o-ring seals for durability and water-resistance convenient: Watertight case has a carabiner and lanyard attached for easy attachment to any backpack or gear and the small size allows for storage in small places including pockets includes: (1) Pack of Knot Tying Education Cards, 30" utility cord, 8cm practice carabiner