Zak Designs Kelso 15 oz Tumbler Set — Shells, Leak-Proof Lid, 2-Pack for Kids

Meet the Kelso 15 oz Tumbler Set

From Zak Designs, this two-pack brings kid-friendly hydration into a colorful routine. The Kelso tumblers fuse durable plastic with a soft silicone straw for an easy, comfortable sip. The lively shells pattern adds a playful touch to lunchboxes, backpacks, car rides, and daily routines.

Key specs at a glance

• Size and capacity: Each tumbler measures 3.16 inches in diameter and 6.67 inches tall, with a 15 ounce capacity.
• Materials and care: Durable plastic body with a silicone straw; dishwasher safe; not microwave safe.
• Leak-proof design: The silicone straw includes a built-in valve to control liquid flow and help minimize spills when tipped.
• On the go and at home: Travel-ready, fits common car cup holders, and keeps drinks easily accessible during busy days.

Why families love Kelso

Colorful and practical, these tumblers support reusable hydration without sacrificing playfulness. The soft straw and leak-proof valve offer a comfortable sipping experience for kids, while the sturdy plastic construction is built to withstand everyday use at home, school, or on road trips.

• Reusable and eco-friendly: A compact alternative to disposable cups that fits into a busy family routine.
• Gift-ready and versatile: A great step up from sippy cups and a vibrant addition to daily hydration habits.

In real-life use, you’ll notice easy cleaning thanks to dishwasher-safe materials, a simple transition for kids moving beyond sippy cups, and less worry about spills during car rides or snack time. Usage varies by child and setting, but this 2-pack offers a dependable option for everyday hydration and fun.