I opened it once, but I never used it. I bought it for nursing care. The handle can be attached to either the left or right side. ● Product Name: Easy-to-Drink Straw Cup ● Materials: Cap, Lid, Handle: Polypropylene 　　　　Drinking Spout, Straw, Packing: Silicone Rubber 　　　　Bottle: Saturated Polyester Resin ● Bottle Capacity: 380ml ● There is a tear on the top of the box from when it was opened. ● Instruction manual included. Please refrain from purchasing if you are concerned about fine dust or dirt. We cannot guarantee the quality. We check the product before shipping. Please note that we cannot accept returns or exchanges after shipping. We will use recycled materials for shipping. Thank you for your understanding. Nursing Care Supplies Straw