Sold as 2 Panels: Each Package contains 2 pieces: 50"Wide x 92"Long. Each panels has 8 back tabs, back tabs 16 totally. 17 drapery Rings included(1 for backup). The rings inner diameter 1.5 inch, easy to install. 100% Blackout: OWENIE blackout curtain liner is made from newly upgrade meterial, lightweigh but offers complete light blocking, ensuring a dark and restful environment for any room. Use it alone as ordinary blackout curtains or pair with your favorite sheer curtains or light-filtering curtains to achieve room darkening or total darkness effect. Noise Reduction & Thermal Insulation: The dense fabric construction of OWENIE blackout curtain liner helps reduce outside noise and provides thermal insulation, keeping your space cooler in summer and warmer in winter. Multiple Use-Enhanced Privacy & Sleep Quality: Enjoy undisturbed sleep and increased privacy with blackout curtain liner. Ideal for bedrooms, nurseries, and media rooms where light control is crucial. Machine Washable: Machine wash cold in gentle cycle with like colors. Only non-chlorine bleach when needed. Tumble dry low. Remove promptly. Cool iron as needed. OWENIE Greyish White 100% Blackout Curtain Liner 2 Panels Set For Bedroom Living Room, Insulated Curtains Liner for 95 96 Inch Long Curtains, Each 50"Wx92"L, 2 Liners Per Set with 17 Pieces Rings