yueton Stainless Steel 5-ounce Portable Folding Telescopic Collapsible Travel Picnic Sports Cup Camping Hiking Outdoor with Keychain Fits in the palm of your hand, slips into your pocket or purse. Ideal for use while hiking, camping, hunting, traveling, outdoor activities, and concerts. Keychain clip easily attaches to your backpack or belt loop. Capacity:5-ounces (approx.) Material:Stainless Steel ; Package included:1Pc* folding cup