Etch gel is a high quality 37% phosphoric etch gel. It has excellent thixotropic properties, good contrast to tooth and enamel dentin and is safe, precise and convenient. Contains 60g syringe, 50 x applicator Black pre-bent tips & 5 x 3cc syringesBulk Etch Gel Syringe Kit Green 37% Contains 60g syringe 3cc syringe pack 5 & Pack 50 applicator tips