ABS material, flexibility and excellent durability, easy to use, for . You will have good use experience because of the perfect workmanship of this product. Very easy and convenient to install, it is very useful automatic door closer. 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. - Suitable for invisible doors, sliding glass doors, screen doors, office doors, indoor doors, kitchen doors. - , strong, stable, wear-resistant, small size and space-saving, quiet and safe. - With good toughness, high performance and , not easy to deform and damage. - When you turn on the air conditioner, the air will not leak much, thus reducing the electricity . - Suitable for wooden and metal doors, residential and commercial doors, exterior/inner door. Package list: 1 x Punch-Free Door Closer 1 x Adhesive 1 x Adhesive Tape