The reflective Berlin reflex sticker is a versatile sticker sheet specifically designed for creative DIY projects. It is made from ultra-high reflective material, making it particularly suitable for children's bicycles, helmets, and other smooth, clean surfaces. The A4-sized sticker sheet includes a creative tool for easy cutting of the stickers. With a brightness intensity lasting up to 7 years, this sticker not only provides safety in the dark but is also waterproof and scratch-resistant. The individual stickers can be removed and reused as desired, allowing for flexible application. Ideal for anyone looking to combine safety and creativity.