2 Panel, Thermal Insulated, Sound Proof Curtain Liner, Black-Out 100% Shading Window Treatment with 16 Free Hooks (Set of 2 Panels Hooks Included 50 x 60 Inch Cream White). Thermal insulated blackout panel liners can block 100 percent light will darken your room completely.  Each panel has 8 hooks, these curtain liners are made of very thick weave polyester material. Attaching this insulating blackout liner to the inside of your existing curtains, will block the light. These blackout curtain liners keep the summer heat out and in winters also keep the room warmer. These blackout liners could be used for glass door soundproofing, and used as privacy curtains behind sheer window coverings Set includes 2 panels of 50 x 60 Inch Cream White curtain liners, each panel has 8 hooks