This self-closing, invisible door hinge features an automatic rebound spring mechanism, ensuring your doors and windows close smoothly and quietly. Crafted from transparent crystal, it seamlessly blends with any decor, making it ideal for modern homes. Ideal for cabinets, bookcases, and shower doors, it offers both functionality and aesthetic appeal. Features -Color:Transparent -Material:Acrylic, stainless steel -Size:4.50X2.20X2.00cm/1.77X0.86X0.79in -Automatic closing design: the spring-loaded mechanism ensures effortless door closure, enhancing convenience and maintaining a tidy home environment -Crystal clear material: made from high transparency acrylic, these hinges blend seamlessly with any decor, offering a sleek and modern aesthetic -Durable spring structure: built with springs for performance, ideal for high-traffic areas requiring frequent door usage -Noisefree operation: designed for quiet functionality, ideal for spaces like bedrooms and offices where silence is essential -Easy installation: precision-engineered for simple setup, allowing users to install without professional tools or expertise Package list: x hinges