The perfect alternative to breakable glass and toxic plastic cups, sip your cold or hot beverage of choice sustainably on the go. Ideal for drinks at the beach, picnics, camping, festivals, barbeques, poolside, boating and outdoor dining.  Features: 354ml/12oz capacity 304 grade premium stainless steel Double wall vacuum insulation keeps drinks cold for 8 hours or warm for 4  Wide opening for ice cubes Sweatproof, with no condensation Keep your drink icy cold on a hot Summer day Sip straight from the cup, sliding lid or team with our Stainless Steel Short Straws Not leakproof and should be transported in an upright position  Hand wash only