Stanley 1913 One-Hand Vacuum Insulated Bike mug: 16oz; Color of Lid may vary Push button lid lets you open, drink, close with one hand Vacuum insulated body + thermal lid keep drinks hot 6 hours, cold 24 hours 18/8 stainless steel won't rust; naturally BPA-free Bike-friendly design clips in cages, integrates a grit guard Leak proof and fully packable