Snow Peak Snow Peak Low Chair Cup Holder Drink Holder Outdoor Camping BBQ Barbecue I was using it indoors on a Low Chair 30. I haven't actually used it to hold drinks or a Sierra cup. This is a Low Chair Cup Holder from the popular brand, Snow Peak. Quoted from the official website below: [Product Description] ● The wide opening securely holds Sierra cups. It accommodates canned drinks, as well as Snow Peak's Eco Cups and System Bottles. It can also be used to store small items. [Specifications/Standards] ● Material: Polyester, Stainless Steel ● Size: 120 x 190 x 140 (h) mm Please refrain from purchasing if you are sensitive to used items.