Muscle Hand Grip Exercise Mug

Description

A high quality durable BPA-free plastic beer stein with flexed arm design on the front
Sip n’ rip with the built in spring loaded muscle strengthener handle – test your strength or compete with your friends to see who is the strongest
Back of glass features a (debatably) accurate diagram of the equation of You + Mug Muscles = Extremely Fit
Excellent gift for a gym junkie
Holds approximately 600 ml (size of a stubby plus some). Drink responsibly