These holders are designed to mounting stuff on the wall, such as power strip, router, remote controller etc. The holders consist of two parts,one part adhesive on the wall, another one adhesive on the back of the power strip. Thanks for the in design, is easy to install on wall & take it when you need to use it at some other place. Features - Color: Random Color. - Material: ABS. - Size: About 9.9x3.9x0.5cm/3.9x1.34x0.20inch. - Durable bearing for a long time does not fall off, strong bearing, the longer the bonding time, the stronger the adhesion. - Insert type design, work - shaped slot, easy to insert and separate, stable and durable structure. - The product design is ergonomic, simple, convenient and easy to install. - Punch free, no need for drilling or tools to install. Self-adhesive, traceless, simple and fast installation. - Suitable for smooth ceramic tiles, mirror, flat stainless steel, acrylic, plastic, laminated base and more. Package list: 4 Pairs x socket fixer