Press to drink and release to seal. The vacuum insulation keeps your coffee hot for 6 to 8 hours. Spill and leak proof. Deep Etch & Laser Etch not available for the silver mug. 8.25" H x 3" Diameter. Imprint Area = 1.5" W x 2.5" H on 1 Side. Packaging: Gift Box. Please call for multi-colour or multi-position imprint plus the availability of rush delivery.