【Suitable for DIY Design】Clear Square Milk Bottles are allowing you to paste cute stickers to DIY it, making your water bottle look more beautiful, designed with a transparent bottle body. 【Reusable Material】Milk Carton Water Bottles are , safe, friendly, and reusable, made of food-grade PS+PP+silicone material, lightweight, and easy to carry. 【Prevent Leaks】This Milk Carton Bottle is keeping bottle tightly closed to prevent leaks, fits easily in backpacks, cup holders, handbags, and refrigerators, and is equipped with a leak-proof screw cap. 【Wonderful Gift】Transparent Milk Carton Bottle is a practical and stylish gift idea, an ideal choice for outdoor travel and picnics, and suitable for gifting to family and friends. 【Wide Application】Square Clear Water Bottles are suitable for travel, sports, picnic, school, outdoor, camping, etc., easy to add and pour out, and ideal for holding juice, milk, water, and other beverages you want to drink.