【With a Key Ring】Telescopic cup come with a buckle for easy carry. With a key ring, occupies little space in your travel bag. Clip it on your belt loop, backpack or jacket. 【Small & Lightweight】Work As reusable cup, camping mugs, travel cups, picnic cups, best travel items, collapsible coffee cup, folding cup, collapsible cups. 【Save Space】Collapsible design, save space and convenient for travels taking, light weight, easy to carry, creative and practical. 【Perfect Size】The convenient collapsible size easily slips into your pocket, purse, or backpack. A great accessory to the people who are going to travel, hike, camp and attend concert. 【Stainless Steel】Travel Folding Cup is made of quality food grade stainless steel material, won't broken, and easy to clean.