20ml Multifunction Magics Led Lights Light Yanchao Invisible Pen Feature: 100% brand new and high quality. Quantity: 2PCS Boys Girls Great Party bag fillers toys for kids. Writes on most surfaces. With built in Ultra Violet Light, Kids will write plenty of secret messages to each other and its not visible to the naked eye turn the UV light on the writing appears Note: You can write on most surfaces, but whether it can stay on the surfaces It depends on what kind of the material you write on. If you write on the papers, it can stay on permanent; if you write on the metal or plastics It may couldn't last long, because it will be erased easily due to the characteristic of the metal and plastics. Size:about 13CM Material:Plastic Package Content: 2X Secret Message Pen Pen Celebration Activ 20Ml Multifunction Magics Led Lights Light Yanchao Invisible Pen High-Quality Construction:Our home tools are made from premium materials to ensure durability and long-lasting performance. Each tool is crafted with precision, offering reliable and efficient results for all your home improvement tasks. Versatile and Multi-Functional:Designed to handle a wide range of tasks, our home tools are versatile and multi-functional. Whether you're fixing, assembling, or maintaining, these tools provide the functionality you need for various DIY projects. Ergonomic and User-Friendly:Our home tools feature ergonomic designs that provide a comfortable and secure grip, reducing hand fatigue during extended use. They are user-friendly and designed to make your work easier and more efficient. Compact and Organized Storage:We prioritize convenience and organization.