TAL Stainless Steel Ultra UV Self Cleansing Tumbler 18 fl oz, Pink features cutting-edge UV-C technology for a germ-free hydration experience. With the choice of several cleaning settings, our innovative UV-C sterilizing mechanisms eliminate germs from the bottle's contents for a clean sip every time. Integrated UV-C light eliminates germs and microbes from bottle contents. Double-wall insulated stainless steel for maximum temperature retention.