WATERPROOF: Waterproof knot tying cards with step-by-step boating and sailing rope knot tying diagrams designed to be easy to follow, including descriptions and usage tips
DURABLE: Printed on super thick premium plastic card stock for unmatched durability
CONVENIENT: Portable and waterproof card format (about the size of a credit card, but more durable) is ideal for maritime environments -- far superior to paper knot books
MINI CARABINER: Includes mini carabiner for clipping your knot cards within arm's reach
FOCUSED ON NAUTICAL KNOTS: How to tie 20 nautical knots specially selected for sailing and boating scenarios
