Classic Tumbler size_TRK-50 Cupholder Friendly: This tumbler handle

Cupholder Friendly: This tumbler handle was designed to be compatible with most cupholders

Easy to Use: Just slide the bottom of the tumbler into the opening of the tumbler handle

and spills

Leakproof: Comes with flip lid to prevent spills

homemade cold brew in a few easy steps

Classic Tumbler size_TRK-50 Cupholder Friendly: This tumbler handleSweat Free Exterior: Double wall insulation prevents condensation and keeps beverages hot or cold for hours Leak Resistant: Comes with straw lid and flip lid to prevent leaks. Durable: Made of premium 18 8 stainless steel Cupholder Friendly: All Classic sizes fit in most cupholders Pat Pat Pend.