Cylinder bottles carry the widest variety of sizes, openings and resins.  They may come as small as a d-dram bottle or as large as the common 32oz bottle, but the standard sizes carried are the 1oz, 2oz, 4oz, 8oz, 16oz and 32oz cylinder bottles.  Usually in HDPE, but may come in PVC or PET resin.  The standard colors are nutral, white and clear depending on the resin used.  The neck opeings may also vary from 20mm, 24mm, 28mm and 38mm.