For comparison, I also measured the temperature of coffee in a flask and a mug. How does the Ninja Perfect Sip perform? I wasn’t going to take Ninja’s word for it, but my doubt was misplaced.

The ceramic mugs with a metallic coating were sold in 11 oz. and 16 oz. sizes as part of these four gift sets: Starbucks Holiday Gift Set with 2 Mugs (11 oz.) Starbucks Classic Hot Cocoa and ...

The four gift sets contained a ceramic mug covered in a metallic coating with Starbucks branding, which came in 11 oz and 16 oz sizes. The 2023 holiday gift sets were Starbucks Holiday Gift Set ...