There must be skulls leering from windows! It's equally perfect for big parties, small gatherings, and any time that you want to add some creepiness to your home. Tombstones in the front yard! Fake blood! And cobwebs!. Product DetailsSet the scene for a fun holiday with this exclusive Sheer Spider Web Lamp Shade Halloween Cover Decoration! Made of polyester machine lace, the decoration features knitted-in spiderweb patterns and oversized spiders. Sheer Spider Web Lamp Shade Cover The bottom edge is detailed with bat images.