MargoHi @Margo,
In this drop, you have the option of selecting either a Thread Box or a Double Deep Box with Cone Tray.
The lowest drop price is for one Thread Box and it only comes in one color.
If you select the Double Deep Box with Cone Tray for your "Storage Container" option or select an "Optional Presencia 50WT/3PLY Cone" or "Optional Presencia 50WT Thread Sampler," then there is an additional cost. The threads and Double Deep Box are all optional.
Hope this helps!
~ Rita