These Azlon® polyethylene dropping bottles with 40mm dropper & captive dustcover are perfect for dropping and dispensing liquids.The spouted cap can be cut to size to adjust the flow rate.They offer good resistance to chemical attack.Available in the following sizes:30ml: (D)32mm x (H)93mm60ml: (D)40mm x (H)109mm150ml: (D)50mm x (H)147mm