Humangear GoCup, Large (8 fl.oz/237ml), Clear Madefromsoft,ruggedsilicone, 100%leakproof, dishwasher safe (top rack only) - FDAfoodsafe, 100%BPA,PCandphthalatefree Pressfitlidkeepsthingscleanduringtransportandfeaturesanintegratedpillholder, lid has air vent holes so that any residual fluid dries out and prevents bacterial growth Expandswithaquickpullandcollapsestoanultracompactpuckallwithasimplepress The8fl.oz.sizealsofeaturesaclever"DoubleDecker"traythatgivesyoutheoptionoftwosmall chambers(toorganizepills,forexample)oronelargechamber.TheDoubleDeckeralsocreatesahandy portablepillboxyoucantakeonthegobyitself.Volumemarkingsonthecupshelpyoumeasurefluids andenjoyfinespiritsinmoderation. Perfectinanytoiletrykit,backpack,bookbag,briefcase,purse...mostanywhere All GoCups are PC-free, phthalate-free, and BPA-free. FDA food-grade silicone to create a collapsing cup that is 100% leak proof. The 8 fl. oz. size also features a clever "DoubleDecker" tray that gives you the option of two small chambers (to organize pills, for example) or one large chamber.