Introducing Elk and Friends 8oz Glass Mason Drinking Jars + Food Storage – the perfect eco-friendly solution for your little ones! Crafted from high-quality, natural materials, these jars are independently tested to ensure safety for both children and the environment. Ideal for kids and toddlers, each jar features measurement markings for precise portion control. The vibrant silicone sleeves add a playful touch while providing protection and a secure grip for tiny hands. Enhanced with an innovative stopper, our jars keep straws securely in place. Versatile and multi-functional, they easily transition from straw to sippy cup to storage jar. Simple to clean, with minimal parts, these jars make mealtime a breeze. Brand: Elk and Friends, Size: 4 Pack, Color: Blush/Lilac/Peach/Lemon, Weight: 8 ounces.