Our ball bungees are designed for maximum span attachment 11.8 inches(30cm) long stretched, 5 inches(12cm) unstretched and are manufactured from band elastic cord...many others are made from narrowband and are less durable. The bungie cord pack locks widely used on a lanyard, luggage, clothing, backpack, sport wears, shoelace, tent and more. Replace broken cord locks. Diameter of the bungee balls ties is about 5mm which is not easy to prone and to break or pop. These heavy duty bungee balls Suitable for a variety of purposes: Boat Shelters, Tarpaulins, Marquees, Trailers, Camping, Caravanning, and Commercial Applications. Note: small items, not suitable for children under 3 years old Tips: You can use it yourself or make it as a gift for your family, friend, and coworkers