WEBColor of Material. Tensile Strength Retention in vivo. Absorption Profile. Sizes. Needles. Synthetic polyester comprised of glycolide and lactide. LactomerTM 9-1: glycolide and lactide. PolyglytoneTM 6211: glycolide, caprolactone, trimethylene carbonate, and lactide. GLYCOMERTM 631 Glycolide, Trimethylene Carbonate and Dioxanone.