What are the proporties of SAN? Patricia February 27, 2025 14:12 Updated SAN is famoulsy resilient and rigid. It is also one of the most transparent materials in the plastics family. Related articles What are my SMEG food storage boxes made of? For what can I use my storage box? Are the storage boxes dishwasher safe? How to use the mini cocottes? Are the storage boxes safe to put in the freezer?