Ultra low attachment surface with covalently bonded hydrogel that minimizes cell attachment, protein absorption, enzyme activation and cellular activationThe surface is noncytotoxic, biologically inert and nondegradable Round bottoms with 330µL total volume Recommended working volumes of 75 to 200µLNonreversable lids with condensation rings to reduce contaminationSterilized by gamma radiation and certified nonpyrogenicIndividual alphanumeric codes for well identificationIndividually wrapped.