Which length should you buy? The best way is to measure your original laces' length in INCHES or CM, and select the estimated length you need! Decide if you want bigger or normal(smaller) knot. 30 inches (76.2 cm) will have a bigger knot 27 inches (68.58 cm) will have a normal(smaller) knot Color and Length Availability: - Available in 3 colors to choose from Colors: - Dark Brown - Midnight Black - Olive Beige Lengths: - Available in 2 differently lengths (compatibility with almost any shoe) 27" inches, 30" inches - 27" inches (68.58 cm) - 30" inches (76.2 cm) Packaging & Content: - You will receive 1 pair of shoelace per quantity - To help reduce waste in our environment, laces come with eco-friendly packaging.