GSI Outdoors 67317 Commuter Mug Durable Glacier Stainless steel travel press mug is designed to fit into car cup holders with room to spare for drinking on the go Rubber non-mar base helps to keep your mug upright on slippery or wet surfaces; The spill resistant, sure sliding, sealable drink-through top is removable for mug style drinking High quality vacuum bottle spec, double wall insulation construction