Made from non-toxic PVC. Transparent soft and smooth.
Radio opaque line through the length for X-ray visualisation

There are mainly five kinds, standard, oral preformed, nasal preformed, reinforced, parker flex-tip. Among them, they are also classified into cuffed (high volume low pressure cuff & low profile cuff) and uncuffed.

Size is from ID2.0mm to ID10.0mm

Package: In blister