Insulated Tumbler

Kleeja cups, canteen tumbler with straw, heat-preserving cup with locking system, keeps contents hot for up to 4 hours or cold for up to 20 hours, made of stainless steel resistant to rust, does not transfer taste or metal flavor, tight lid prevents coffee from leaking through the straw outlet, slim design fits most cup holders, BPA free, recommended to be washed by hand, available in 16-ounce size.