Flat/Curved Dual Purpose. Both flat and curved surfaces can fit tightly, unlocking more camera positions, outdoor sports at will.Gear design prevents the product from shaking during use. Flexible design and tight curved . The bottom is made of flexible TPU material, the curved can also be tightly adhered. Strong adhesive, not easy to fall off when bumpy. Preferred strong adhesive, more stable and reliable, temperature and humidity resistance, no fear of wind and rain. and non-adhesive. Will not damage the of the object, does not leave adhesive marks and no trace of adhesion. Extensive expansion, standard sports camera interface, 1/4inch adapter, can mount a variety of sports cameras, mobile phones and other devices. Colour:Black Material:TPU Package Contents: 1x Action Camera Flexible Fixed Base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.