【Specifications】 Light Curing Composite Resin AT-300UX5（A1 A2 A3 A3.5 B2）；Flowable Light Curing Composite Resin（A2）X1 Etchant CEL（2.5ml）X1 Total-etching Bonding Agent（5ml）X1 NeedleX15 brushX50

Reasonable combination of products makes the operation more convenient, perfect for the acid etching - bonding - filling one step.