What Was That? Did you hear a hiss? It could be something as innocuous as a deflating balloon or a rush of air through an open window, but it doesn't hurt to be cautious. Everyone tread carefully!.Resin Venom Snake Prop | Animal Decorations Its reared head has red eyes, and its open mouth features pointed white fangs and a forked red tongue. Perfect for Halloween and other spooky, themed occasions, the coiled snake figurine is made of resin and detailed with a textured scale pattern.