Crafted from pvc, these halloween LED bat/spiders wall decal combine bat/spiders silhouettes with energy efficient LED light for eerie ambiances Each bat/spiders features built in LED lights that project enchanting violets glows, creating dynamic shadows patterns on wall/window without damaging surfaces Perfect for halloween enthusiasts, party planners, and families seeking immersive decoration to transforms living rooms, porches, or haunting house attractions The battery operated leds automatically cast mystical dancing shadows, meeting standards for worry frees seasonal reuse arrange these waterproof decal across indoor/outdoor spaces from bedroom window to party backdrops for halloween effects