The all new eSUN PLA+ filaments are 100% bio-degradable and FDA food safety approved. PLA+ is 10 times stronger than regular PLA and has no wire-drawing problems meaning the surface of the printouts will be smoother and more delicate. With a low material shrinkage rate giving a uniform diameter and no cracking or brittle issues. Consistently high quality. Made from great, high performance materials. Ready to print on any open source desktop or industrial printer. Deliver exceptional performance. Printing Settings Best Printing Temperature:200-220?. Bed Temperature:0-70?. Printing Speed:30~90mm/s. Movement Speed :90~150mm/s.