DetailsHydra Shade?s round umbrella design allows wind venting without loss of sun protection. It is constructed of marine quality stainless steel and lightweight aluminum. It is a rust free frame with a mildew & fade resistant. The nylon umbrella is reflective to the sun?s harmful UV rays and is rated over UPF 30. Hydra Shade is designed for use with any cylinder or rod holder opening, and offers a tilt and telescoping height adjustment. It is made to stay in place and remain in the cylinder by...