Material: ABS engineering plastic, magnetic steel, rubber, high quality sponge, cleaning cloth Specifications: 3 8mm, Dimensions: width 16cm, height 12.5cm, total thickness 5.5cm, outer thickness 2.2cm Function: Clean glass Packing: carton packaging Feel free to ask our customer service any questions you may have.The wiper strip design of the automobile wiper is made of high-quality rubber, soft and wear-resistant, acid and alkali resistant and long service life. With a safety rope, it can be placed on the wrist to prevent it from falling. The built-in sponge can be used for a long time, without adding water frequently, it is convenient to use and humanized. It is made of high-quality neodymium iron boron strong magnetic steel device with strong magnetic force and safe use. The triangular shape allows for flexible rotation, complete cleaning without leaving a dead angle, and high efficiency.