Type: PLA is a great material for early concept models because it is easy to use, office-friendly, and works great with breakaway supports which print faster and can be removed faster than dissolvable supports Fully Biodegradable: PLA is a corn-based plastic and is considered biodegradable under industrial processes Application: Rigid and glossy parts for quick and easy, office-friendly prototyping Vacuum-Sealed: MakerBot material is manufactured to exact diameter and quality specifications. Shipped in a vacuum-sealed metalized polyester bag, quality is preserved right up until opening Storage: The Smart Spool provides valuable information including material type, color, and amount remaining via an RFID chip directly to MakerBot Print, while a built-in desiccant absorbs any moisture exposure during the material loading process