Product Description: Size :one size Product size: 10.4 * 4.9cm; Applicable pipe diameter: 1.7-3cm; Packaging box size: 15 * 12.5 * 5.5cm; Error: 1-2cm Material :ABS+PC Pattern : Solid    Color ：4 colors Package :  One piece About color： As you know, the different computers display colors differently,  the color of the actual item may vary slightly from the following images. About size: 1. Please check the size chart carefully before you buy the item, if you don't know how to choose size, please contact our customer service 2. Please allow 2-3cm differences due to manual measurement.  (1cm=0.39inch, 1 inch=2.54cm)