Carabiner Mug

From the website:

Virtually indestructible camp mug

This double–walled stainless–steel mug can take a ton of trail abuse and still keep coffee hot or water cold.

Welded-on carabiner handle clips to your pack; different colors show which drink is yours.

Weighs 2 oz. (empty) and holds 8 oz.

Mug itself is 3.25"H x 2.75"D.

Red, purple, green or blue.

$9.50.