The 12 oz, medium KeepCup is designed for drinking pleasure on the go. Made of a tempered glass with a cork band this is lovely to drink from with the lid on or off. It's also lightweight, easy to carry and fits comfortably in your hand and cup holders. The splashproof, press fit lid allows room for your nose, while the mouthpiece ensures optimal liquid flow and aroma release. The KeepCup parts are easily assembled making the cleaning and care very easy. All our products are independently lab tested to ensure they're free from BPA, BPS, phthalates including DEHP, lead and cadmium.Other features-:- Made to last using durable parts made fit for purpose.- Keep the plug in the open position for all hot drinks over 65°C / 149°F - Designed to be taken apart for easy, thorough and hygienic cleaning - Handwash only, to ensure longevity of the cork band - Do not remove the band when washing to maintain the band's shape - Store with lid off. - One-year warranty.- 1% of all sales by KeepCup's revenue is given to protect the environment. As a a single-use free business, they help convert people and organisations into committed reusers. They're BCorp certified, which means they measure their impact to improve social and environmental performance. They manufacture locally where possible, and all products are hand-assembled in their warehouses to keep jobs in local communities.