Our Complete kit for microbiology & UA chemistry urine testing. 8 mL 16X100 conical bottom tube with yellow stopper non-additive tube for urinalysis, 4 mL 13X75 plastic C&S preservative tube, soap towelette & cup. Sterile. The Urine cup is made up of cup body, cup cap and needle. When putting vacuum urine tube into urine cup, the urine tube will collect urine sample automatically from cup. It's easy and safe for operation, it have good seal and no pollution