Back 40 Koozie/Tumbler 4 in 1

This versatile 4 in 1 product serves multiple purposes. It fits most can and bottle sizes and functions as a dependable double walled Koozie. Switch out the top and it is a durable Tumbler keeping your drinks ice cold or piping hot. Forget your bottle opener? No problem, the bottom of the 4 in 1 has a built in bottle opener.