Yumbox is leakproof! Pack wet foods like yogurt and applesauce (not water consistency foods). Seals with one lid. Kid-friendly latch. Removable illustrated tray holds 3½ cups. Recommended for Young Kids (toddler - age 8 depending on appetite) All food-safe materials, BPA-free and phthalates-free. Sturdy ABS (outer box), Tritan (tray) and Silicone (seal). The Tray is dishwasher-safe (top drawer up to 65C), the outer box hand washing is highly recommended to prolong the longevity of the seal. Reusable lunch box - Great for all of your meals-on-the go! Balance and portion control with pre-portioned removable illustrated tray. Measures approx. (outside of the box). 21 x 15 x 5 cm Capacity: 3 Australian Cups Please note: Bento lunch boxes which are ‘leakproof’ are only leakproof for thicker yogurts, custard, purees and dips. No leakproof lunchbox on the market is water tight or suited to runny or watery liquids.