BioMed Elastic 50A Resin is a soft, elastic, medical-grade material for applications requiring comfort, biocompatibility, and transparency. This ISO 10993 and USP Class VI certified material is made in an FDA-registered, ISO 13485 facility and can be used in applications for long-term skin contact (>30 days), and short-term mucosal membrane contact (<24 hours). Non-Latex Shelf Life : 730 days Country of Origin : USA