UST Learn & Live Educational Card Set with Durable, Waterproof, Compact Design and Essential Outdoor Skills for Hiking, Camping and Outdoor Survival DIMENSIONS: 3.5 H x 2.25 W x 0.2 D and weighs 0.7 oz EASE OF USE: Contains all the vital information demonstrating the most commonly used knots DURABLE: Education cards are laminated, making them waterproof and are help together with a sturdy grommet CONVENIENT: The small size allows for storage in small places including pockets or for packing in a backpack or other gear ALSO AVAILABLE: This set is part of UST's Learn & Live collection of quick reference cards for the outdoors and is great for everyone from seasoned backpackers and first-time campers