Stay hydrated with Pippi Post's Bookish Tumblers! These 20 oz stainless steel double wall tumblers are slim enough to fit in a car cupholder and come with a leak-proof lid and a stainless steel straw. Plus, they're so cute, you'll gasp in delight when you get them! Dishwasher safe, sleek, and a must-have for any literary fanatic. Now that's a novel idea!