Details GSI Glacier Stainless Commuter Mug The Glacier Stainless Commuter Mug from GSI is a durable, vacuum insulated travel mug that'll keep your drink hot or cold for a couple of hours. The spout is spill-resistant and sealable, so bumpy journeys shouldn't be a problem. Weight: 301g Capacity: 503ml Dimensions: ∅76 x 203 mm Vacuum insulated travel mug Keeps drinks hot or cold for up to 2 hours 18/8 stainless steel for purity and durability Spill resistant, sealable spout. Non-slip foot Specifications Glacier Stainless Commuter Mug