This sleek and compact stainless steel tumbler is designed to fit most single-cup and K-Cup coffeemakers. This 14oz tumbler features sturdy double-wall construction with a stainless steel liner inside. Its push-on lid slides open and closed smoothly to give you an enjoyable pour. Material: Stainless steel body and liner. Compact size fits most K-Cup and single-cup coffeemakers. Press-on lid slides open and shut. May not fit all cupholders.