Description: Triangular structure exclusively designed by LISEN sturdy, and compact than other straight line structures. Sturdy enough to hold a large iPad on long journeys. The triangular structure can move, adjustable sight to move forward, and Children can touch screen from their seats tablet car mounts strengthens the spring structure inside the clip, at least 100,000 opening and closing tests and still maintaining stability. For other plastic clip products, the clamping force will begin to loosen in about a month, another one after a strong opening and closing may cause breakage The shortest distance between the car's backseat and the longest distance be taken into account. This product is definitely the best compatible headrest on the market; in addition, the widened metal clips can also be tightly clamped tablet case