The following types are general types of silicone cartridges , we can meet your requirement for other specifications. Raw material: imported HDPE 1-weight of body- 48g Weight of plunger-7g Weight of nozzle- 3. 5-4. 0g Contents (net)- 280ml-310ml 2-weight of body- 53g Weight of plunger- 7g Weight of nozzle- 3. 5-4. 0g Contents (net)- 280ml-310ml 3-weight of body- 56g Weight of plunger- 7g Weight of nozzle- 3. 5-4. 0g Contents (net)- 330ml 4-weight of body- 1. 08kg Weight of plunger- 0. 345kg Contents (net)- 20L Plunger: Weight of plunger: 6g, 7g, 15g, 17g, 16g, 18g, 19g, 25g, 35g, 40g (we can also make the weight of the plunger as your need. ) Disclaimer: The products featured herein are shown as a sample and are not intended to represent an endorsement by the individual company(ies). Specific design(s) shown on this sample is/are the respective property of the company(ies) which are identified. The use of these specific design(s) is/are strictly for demonstrative purposes as examples of size, design, position and color, and they are not for resale.