PortaCell&reg; Geomaro Universal Adjustable Mobile Phone Holder/Mount for iPhone 4, 4S, 3G & 3Gs, BlackBerry Torch, HTC EVO, DROID, Samsung Galaxy s2, EPIC on Windshield, Dashboard & AC Vent, Industrial-Grade Colloid Suction Pad Design: Suction pad bottom is made of special colloid with extra nonstick ring layer of jelly-lide viscose. Clean with diluted alcohol to return tis stickiness. Strong suction power on both glass and plastic surface + PortaCell Trademark Microfiber Cleaning Cloths/Wiper! Geomaro Universal Adjustable Mobile Phone Holder for Smart Phone, Apple, Smasung, HTC, Motorrola, Nokia Withhold Style Vacuum Suction Design, Industrial-Grade Colloid Suction Pad Design, 360 Digree Spin Latch Bracket Design, Button Style Spin Node Design, Easy Release Button Design Suction pad bottom is made of special colloid with extra nonstick ring layer of jelly-lide viscose. Clean with diluted alcohol to return tis stickiness. Strong suction power on both glass and plastic surface. Maximium Extension Size: &lt;/b&gt;Up to 149mm x 88mm x 14 mm. and suitable for most smart phone in market place. Exclusively Made and Sold ONLY by PortaCell-USA! Come With PortaCell Trademark Microfiber Cleaning Cloths!