The material used in the Welch Allyn Reusable Polypropylene Specula is lightweight but durable. The SofSpec Specula's elastomer tip provides comfort and durability. The specula may be autoclaved, boiled, or sterilized in solution. They are specially contoured for ultra-pneumatic seal and can be attached easily.
The Welch Allyn Warranty Welch Allyn will repair or replace, free of charge, any parts of its own manufacture proven to be defective through causes other than misuse, neglect, damage in shipment, or normal wear.
I did receive this piece. It was everything it claimed to be. No complaints.