Come and see our amazing products. Coventry features double-wall vacuum insulated stainless steel construction and 2 lids: clear plastic push-on lid with silding drink opening and insulator ring for ans/bottles. To use insulator ring, place ring on can first, then screw into tumbler. Keeps drinks hot or cold for up to 6 hours. Hand wash only. Pls confirm with us about the packing info, stock color and exact production time before placing your order.