- Narrow Neck:made of neutral colour low-density polyethylene (LDPE); they are provided with standard under-tops and tops with sealed holes, and are suitable for liquid foodstuffs and chemical or corrosive products in general.
- Wide Neck: produced using neutral colour low-density polyethylene (LDPE); they are supplied with standards under-tops and tops with sealed holes, and are suitable for holding dense or pasty liquid foodstuffs or chemical products.
- Rectangular Shape: made of neutral colour low-density polyethylene (LDPE); they are supplied with standard under-tops and tops with sealed holes. Thanks to their rectangular shape, they are particularly suitable for being packed in cardboard boxes.
- Full Opening: made of neutral colour low-density polyethylene (LDPE); they are supplied with standards under-tops and tops and, thanks to the wide diameter of their openings, they are particularly appropriate for powder products. Figures CX54 and CX56 can be supplied with pressurised sealed tops.