1.Foldable and Portable: This holder can be easily folded so you can easily put it in your backpack or bag. A perfect design for travel. 2.Double angle and height adjustment: The stand can be adjusted within an angle of 180 degree. You will always find the best viewing angles you like. In the meantime, you can adjust the stand height. 3.Aluminum base with 4mm thickness: Aluminum base with 4mm thickness makes the stand more durable. It can carry large tablets without instability. The rugged structural design also makes it strong enough to keep your tablet safe. 4.Anti-slip design: The anti-slip pads on the bottom prevent your phone or tablet from slipping and damaging. 5.Wide Compatibility: This holder can be used for 4 "-15.6" tablets or Ipads of smartphones. You can use it anywhere and have your hands free.Specification: 1. Base size: 134 to 134 mm 2.The whole bracket is made of aluminum material. 3.The base aluminum thickness can reach 4mm, so it is strong enough to support large tablets.