Thank you so much for watching! The holder is actually part of the light! I got mine a Joann fabrics www.joann.com/ottlite-dual-shade-led-floor-lamp-with-usb-charging-station-black/16787368.html
Michaels - this is the model www.michaels.com/gramercy-rolling-cart-by-recollections/M20002050.html?dwvar_M20002050_size=18%22%20x%2014%22%20x%2031%22&dwvar_M20002050_color=Gray