Walmart has Rubbermaid TakeAlongs Twist & Seal 2.1 Cup Food Storage Containers, Red, 3 Pack for $3.96. Shipping is usually free to Walmart+ members or on orders over $35.

About this product:

Satisfy snack cravings with Rubbermaid® TakeAlongs® 2.1 cup food storage containers with improved Twist & Seal leakproof lids. Designed specifically for snacking on the go, they make it easy to eat healthy throughout the day. These trusted 2.1-cup Rubbermaid® food storage containers are great for packing individual servings of fresh fruit, veggies, yogurt, sauces, or your favorite soups. You can rely on our Twist & Seal lids to securely transport your favorite foods without leaks. The handy trio snaps together, making them easy to stack for neat kitchen organization and storage. The BPA-free plastic containers are freezer- and top-rack dishwasher-safe, plus bases are microwavable for easy reheating.