These lids screw on and the cups are made to fit in a cup holder with a 7.5cm base. They are huge, hold 40oz and will keep your drinks hot or cold all day long! The lids twist to use with a straw or to expose the sip style hole.

These are double walled insulated stainless steel tumblers and are available in lots of fun colours!

Comes with 40oz Tumbler of Your Choice, Lid, Plastic Re-usable Straw, Box