Beautiful new pink Stanley hello Kitty tumbler With box and transparent straw 40oz tumblers are durable, made of stainless steel and keep drinks cold for 11 hours or hot for 7 hours. With a spill-proof lid and comfortable handle, they're perfect for on the go. Plus, their extra-large capacity ensures you'll always have enough to last all day. The durable color coating ensures that it won't fade, chip or crack, even with extended use in the field, and provides extra grip.