Coffee Joulies - Perfection Pack - Set of 5 Joulies with Thermos Sipp Travel Mug, Coffee Is Sippable in 5 Minutes and Perfect for 5 Hours (White Lid & Logo) Coffee is HOT!! Joulies are cool. Our Perfection Pack makes your coffee safe to sip in 5 minutes and keeps it in the perfect temperature range for 5 hours.