07 series: Fully hydrogenated SEBS. Overmolding with polypropylene. Stable physical property. Anti-slip and good weather resistance. Easy to color and process. RoHS compliant. Aan be applied to screwdriver grip, bkike grip, knife grip, toys pen grip. 09 series: Semi-hydrogenated, SEBS+SBS. Overmolding with polypropylene. Anti-Slip, easy to color and process. Economical. RoHS compliant. Suitable for garden tool grip, screwdriver grip, bike grip, knife grip. 13 series: Semi-hydrogenated, SEBS+SBS. Higher specific gravity, More economy grades.