Stainless steel vacuum insulation keeps beverages hot or cold for hours 2-step lid release process prevents excess condensation on the stopper from being flung off while the lid opens Air vent on the mouthpiece allows beverages to flow out smoothly, without gushing or overflowing Tight fitted flip-open lid keeps beverages hotter or colder A special manufacturing technique was used to make the body ultra-lightweight and compact Easy-to-clean nonstick coated interior 1-1/4” (3cm) wide mouth opening Made of BPA-free plastic and stainless steel The Stainless Mug features a stainless steel vacuum insulation that keeps beverages hot or cold for hours. The tight fitted flip open lid with a safety lock makes drinking from the mug easy and prevents the lid from opening accidentally. Stainless steel vacuum insulation keeps beverages hot or cold for hours 2-step lid release process prevents excess condensation on the stopper from being flung off while the lid opens Air vent on the mouthpiece allows beverages to flow out smoothly, without gushing or overflowing Tight fitted flip-open lid keeps beverages hotter or colder A special manufacturing technique was used to make the body ultra-lightweight and compact Easy-to-clean nonstick coated interior 1-1/4” (3cm) wide mouth opening Made of BPA-free plastic and stainless steel More details Specifications Model No. SM-PD20 Capacity 7 oz. / 0.2 liter Dimensions (W x D x H) 2-3/8 x 2-5/8 x 5-7/8 inches Weight (lbs. oz.) 0.06 Heat Retention* 181°F @ 1 hr. / 144°F @ 6 hrs. Cold Retention** 50°F @ 6 hrs. Color Terra Cotta (-PM), Beige (-CM), Sage Green (-GM) *Rating is based on water at a starting temperature of 203°F (95°C) at a room temperature of 68°F (20°C) **Rating is based on water at a starting temperature of 40°F (4°C) at a room temperature of 68°F (20°C) Country of Origin Made in Thailand Made to Zojirushi Standards.This product was manufactured in a Zojirushi factory that meets the highest standards set by Zojirushi.