100% Polyester + Reinforce Thermal Insulated Coating.One side is matte black (absorbs light), the other side is silver-gray (reflects light and isolates temperature).,double-sided strong waterproof

The silver coating and black shading face of this Portable Blackout Shade can effectively block sunlight and UV rays, reducing indoor heat. At the same time, it provides strong privacy protection, creates a pleasant dark sleep environment, and improves sleep quality

No Drilling Required: Comes with 18 pieces of double-sided dot and hook and Velcro tape, no drilling, you can quickly install the Portable Blackout Curtain on the window, installed in just three steps. Measure first, then cut and install. it can be reused,come with 3pcs tube,can roller the curtain with tube and with clip to fix

The size of blackout shades is 183 x91 cm (72X36 inch/ 6x3ft) ,  come with measuring ruller and cutter,you can cut out any shape to fit small windows,doors or glass, and can be used either way around, horizontally or vertically.

The Velcro installation method and the packaging design of the package box make the blackout window curtains easy to carry, and can perfectly create a comfortable dark sleeping environment or private space in various scenarios. Such as bedroom, dorm, baby room, TV room, in-vehicle and hostel. also can take it to bussiness or travel

Notice:When cutting it, leave a 2-3cm/0.79 - 1.18in the border so that light cannot penetrate the edges.

if  put it on large area,like frence winow,could take one more to put them together.