It is made of ABS material, durable, excellent and simple, serving for long time. The excellent workmanship of our product will bring you good and great using experience. The quiet door closer is simple to install and easy to use, bring much convenience to you. Features -Color: Black. -Material: ABS. -Size: About 6.30X6.30X1.80cm/2.48X2.48X0.71in. -Specification: 500G, cable length 1.2m, cable diameter 1.2mm. - Can be used for bedroom, suitable for security and safety, remove the trouble of forgetting to close the door. - Punch-free door closer, easy installation, they will do not damage the wall, safe to use. - The installation method is simple and easy to operate, punch-free adhesive installation. - Widely used for screen doors, invisible doors, sliding double doors, glass doors, etc. - The rope spring door closer is excellent and reliable, simple and practical, suitable for household door use. Package list: 1 x Punch-Free Door Closer 1 x Adhesive Hook 1 x Adhesive Tape