Rubber TIME SAVER/EASE OF USE: With no tie design, never worry about tying your shoes again during any activity. Easy to use. Putting on shoes could not be easier. these elastic shoe laces are quick and easy HIGH QUALITY SHOELACES : The no tie shoelaces are woven from high-quality rubber, with fully elastic and durable. Unique locks system, you don't need to worry the shoe laces being loosen frequently, saving the time of tying the shoelaces PERFECT FOR EVERYONE: One size fits all (toddlers, kids, adults, women AND men), Not only these shoelaces blend in with your tennis shoes or hiking boots well, they are ideal gifts for seniors or kids having trouble tying their shoes, or runners looking to speed their triathlon transition up SIMPLE INSTALLATION : Quick to install, and easy to use. Easy installation instructions provided . 39.37'' length, 0.28'' wide, flat, What's Included: 1 pair of black laces; 1 pair of beige laces; 1 pair of blue laces; 1 pair of pink laces; 1 pair of yellow laces; 1 pair of rose laces; 1 pair of purple laces; 1 pair of orange laces.