Features: 1.Material: The fixed belt is made of tear-resistant and strong polyester, the length can be adjusted according to the needs of their own 2.The straps hold your sun parasol still. Very easy to attach, you don't need any tools. 3.Suitable for all sunshades, cantilever sunshades and crank sunshades.Provides optimal protection against spinning in the wind 4.Tighten the tensioning straps (make sure that you tighten both sides with the same tension and that the screen does not bend). And check that the straps are securely in place. 5.After-sales service: If you have any problem, please contact us immediately, we will help you solve it as soon as possible. Specifications: Length:275cm,34cm,17cm includes: 2 x 17cm Fixation Strap 1 x 34cm Fixation Strap 2 x 275cm Fixation Strap