ITEM NAME:Outdoor New Stainless Steel Telescopic Collapsible Folding Cup Travel Po MQS.Size: 3.3cm After Folding 8 7.9 7.4cm After Stretching (capacity 250ml). Material: Stainless steel. Features: snap-on chain, small size, light weight, hanging on the bag, very convenient. We want to make sure you are happy with our item.