The Stainless Mug features a lightweight design for added portability. The tight fitted flip-open lid with a safety lock makes drinking from the mug easy and prevents beverages from spilling. • Stainless steel vacuum insulation keeps beverages hot or cold for hours. • SLiT design (Slim, Light and Thin). • Non-stick coating. • Safety lock prevents accidentally spilling. • Stopper disassembles for thorough cleaning. • Air vent design on the opening allows for beverages to flow out smoothly. • Made of BPA-free plastic and stainless steel. • Size (width x depth x height): 6.5cm x 7.0cm x 22.0cm. • Heat retention: 71°C @ 6hrs • Cold retention: 8°C @ 6hrs • Buying Link : https://www.zojimall.com/s (https://www.zojimall.com/s-steel-vaccum-mugs/zojirushi-480ml-s-s-one-touch-open-mug-sm-sc-48)