All gym gear branded products are made to our own design and specifications after thorough product development and market research this makes the most of our functional fitness equipment unique to gym gear the nylon casing is very durable for all conditions perfect for all pts or home users features of the gym gear battle rope coming in lengths of 15m the ropes weigh approx 20kg and come in three different diameters 25mm 38mm and 50mm but both are black great for training where you ma