A 12" long length of clear extruded acrylic tube 6mm outside diameter with 1mm wall so the internal diameter is 4mm. This tube is a great alternative to glass as it has a greater impact strength, weighs less and is much cheaper this material is also food safe and has a light transmission of 93%. We also supply solid acrylic in clear and colours you will find these listed in our store along with flat sheet. Once you have purchased your material you may be interested in the adhesive we sell which is listed in our store in the adhesive section. Please note we can also supply longer or shorter lengths please forward us your enquiry.