S WELL. 10418-H20-56620. BLONDE WOOD 18OZ TRUMBLER WITH LID. LIGHT BROWN. Imitating the charm of raw materials and natural fibers that can be found in the world s most picturesque forests the Wood Collection featured in a smooth matte finish resembles mixed distressed woods. S well Tumblers feature a Slide-Open Lid and Therma-S well Technology with triple-layered vacuum-insulated construction designed to keep beverages colder or hotter longer than all the rest. The pop-on Slide-Open Lid creates a splash-proof experience.