The AITREASURE full stainless steel camping cup is designed for outdoor activities enthusiasts, featuring the collapsible handles, beautiful stainless steel drawing, chic shape and small size. The safe and clean material is assured for offering you clean water. The stainless steel can make the drink stay chilled longer, perfect for camping, hiking, picnic and other outdoor activities. You are welcome to contact us, if you have any questions. HOW TO CLEAN 1.Soak in hot water to remove oil after using it; 2.Clean with a soft cloth, then put it in the sun to dry itself; Warmly tips: 1.Please avoid touching the body of the cup directly with your hand when you are using it; 2.Please avoid cleaning it with the hard kitchenware, such as steel brush; 3.Please do not fill the water too much in case of scald; 4.Please be careful when you fold the handles in case of punching; 5.Keep them dry before storing it; Specifications Capacity：300ml each; Material：100% Stainles Steel; Box size：16×17×8.5 CM; Total weight： 0.9 Pounds (3oz each); Package included： 4× stainless steel Camping cups;