1.this product is a kind of phone holder and could be adjustable 2.this product is round shape , and its use the plastic material 3.size 4cm x 4cm x 0.8cm 4.this product have two gear position to fit the finger 5.after use our product , you can handle your mobile phone more easy 6.this product could be customized your own logo or picture , just feel free to leave us a message , we will contact you proactive