To use the black curtain fixing buckle set, simply attach the elastic fixing ropes to the roller shade and secure them with the provided windproof clips. The elastic nature of the ropes allows for flexibility and easy adjustment, ensuring a fit. This setup not only prevents your shades from flapping in the wind but also adds a sleek, professional look to your outdoor space. Features -Color:Black -Material:Plastic -Size(Strap buckle):10.50X2.30X2.30cm/4.13X0.90X0.90in -Size(Base):5.50X3.20X3.00cm/2.16X1.26X1.18in -Size( ):3.30X3.30X2.80cm/1.30X1.30X1.10in -Anti sway feature: the windproof curtain straps keep your curtains stable even in strong winds, maintaining a tidy and attractive appearance -Elastic design: the elastic straps provide a secure hold on the curtains, preventing them from becoming loose over time -Multipurpose: ideal for use with a variety of curtains, including roller shades and vertical blinds, offering great flexibility -High durability: constructed from robust materials, these parts are designed to withstand wear and tear, ensuring they last longer -Diy friendly: installation is straightforward and does not require tools, making it easy for anyone to set up Package list: 5 x rope buckle 5 x base 5 x 10 x screws 5 pcs expansion screws