Sippin' on Sunshine! The newest color in our Shimmers collection, this soft shimmery pastel yellow Buttercup color is sure to put a smile on your face 🌞 Our Buttercup collection features some of our best-selling tumbler cups including our 30-oz Mega Mug with Handle, 40oz Mega Mug with Handle, 24oz Party Cup, and more! This dishwasher-friendly drinkware is also available for personalization, making these Swigs perfect for gifting or treating yourself. Shop now!