Hi…..friends here i will show how create a stock vector illustration 3d shampoo bottle images.
In this tutorial you will learn how to create a shampoo bottle quick and easy.
[1]-Choose the Chamfer cyl and create chamfer cyl with the following size
Apply the taper modifier with the good following amount as shown below 
[2]-Place the chamfer cyl like this in the prespective view port 
[3]-Create more chamfer cyl with the following and place like me 
[4]-Create one more chamfer cyl with the following size 
[5]-Convert the chamfer cyl into the editable poly and make the selection
Apply the extrude polygons with the amount of -10.7 
[6]-Your object should like this 
[7]-Apply the bend modifier with the good following amount as shown below 
[8]-Make the materials like this 
[9]-Now you are done it enjoy the final output as shown below 