Blue Gray - Single Item For handles with an outer circumference of 6-7cm and a length of approximately 30cm Made with stretchy knit fabric. Revives umbrellas by fitting over damaged handles. Material: Nylon: 89% Polyurethane: 11% Flat elastic is sewn into the insertion opening, making it difficult to slip off the handle. Compatible with handles with an outer circumference of 6cm-7cm and a length of approximately 30cm. It stretches, so it's flexible.