Zak Designs Kelso Tumbler Set is the perfect way to make hydration fun and safe for your little one. The set includes a 15 oz plastic tumbler, a 12 oz double-wall stainless steel tumbler, and a bonus sipper. Each tumbler is equipped with a leak-proof screw-on lid that has a smart valve—allowing liquid to flow smoothly when drinking and preventing spills when tipped. The silicone straws are soft and comfortable for kids, promoting ease and enjoyment during mealtime. All materials are safe, durable, and designed for everyday use, making this set a great choice for parents who value quality and practicality.
  Whether you're heading to the park, on a camping trip, or keeping drinks ready at home, the Zak Designs Kelso Tumbler Set is ideal for any lifestyle. The leak-proof lids and thoughtful valve design offer peace of mind during travel or playtime, while the tumbler's sturdiness ensures it can handle spills and bumps. The inclusion of a sipper makes it easy for children to transition from sippy cups to independent drinking. With both plastic and stainless steel options, this set is versatile enough for any situation, from daily use to outdoor adventures.