... to edge the lens without any slippage and no residue after removing. EVA Blocking Pad for Lens Edging Item DescriptionStandard ... EVA Blocking Pad for Lens Edging, Adhesive Pads,Lens edging padsItem No.3T-A23LMaterialsEVA ... and sizes for choice.7).Passed the torque test.8).Fit for all lens curves.9). Customized logo: order quantity >=2000rolls, ...