MEDIUM SIZE SHOWN IN PICTURES. You know you want to ditch the plastic, but it's tough. The Mason Jar Tumbler is a glass water bottle that fits in your hand and in your life. It’s perfect for on-the-go or at-home use, and it’s dishwasher safe! Plus, with its sleek design and vintage charm, this tumbler will make you feel like you're living in a simpler time. Ditch the plastic today by switching to our reusable Mason Jar Tumblers! They come with a 30-day satisfaction guarantee so what are you waiting for? Our new Tropical Monogram Tumbler Collection is the perfect way to celebrate your identity! We have every letter of the alphabet, why not surprise friends and family with matching personalized cups?