You don't want to know what happened in this room! These Blood Splatter Gel Clings feature 9 reusable and washable dripping blood spatters that cling to nearly any clean, non-porous flat surface and remove without residue. Blood Splatter Gel Clings are self-adhesive to add a special horrific touch of murder to your Halloween scene. Blood Splatter Gel Clings are fully reusable; place them back on the contact sheet for future use. Package contains 9 Gel Clings in different shapes and sizes.