SAVE $13.98: The 40-ounce Hydro Flask Travel Tumbler in pink Valentine's Day shades like Zinnia, Camilla, and Bayberry Ombre are on sale at Amazon for just $25.97, down from the normal price of ...

Trends like giant insulated cups come and go, but Hydro Flask is ahead of the curve ... and lively purple-pink Reef. All four hues are monochromatic with matching caps and branded accents.