... zero peroxide gel ! 3ml, 5ml,10ml,we supply in bulk package also!Our new non-peroxide gel's PH value ... gel, it's very stable , could be stored in normal temperature , and 1-2 years at least . if the gel ... in bulk package also! Pen available in 2~10ml Label printing onto syringe/pen is available !3,Gel strips and dry strips in ... free,zero peroxide,PH neutral ,3ml,,5ml.10ml and bulk package.paypal is ok