Yarlung 34oz(1L) plastic milk carton water bottles, a set of 4 colors: pink, orange, green, blue, measure 3''L x 3''W x 10''H. It's recommended to hand wash only with a good flexible brush. The square milk bottels are portable and lightweight, suitable and compact size makes it fit in any backpack or car cup holder, or store drinks easily in the refrigerator. Leakproof Design: Whatever you keep in this bottle stays inside unless you want to. It is an ideal choice for travel, picnic and camping. BPA Free: Milk water bottle is made of non-toxic food grade plastic material, completely free from harmful chemicals and does not contaminate your food. You will fill the milk box with other kinds of drinks like juice, water, cold tea, handmade beverage and more during all times of the day.