VACUUM SEALED: Keep your drinks cold for 72 hours or hot for 6 hours with our double-walled, leak-proof Tepist bottle, 20 ounce capacity.SODASTREAM COMPATIBLE: Tepist TwentyO works with Power, Spirit, Source, Fizzi, Cool, Play, Fountain, Dynamo, & Terra. No need to transfer liquids, just insert Tepist straight into your Sodastream and go. || NOT COMPATIBLE WITH THE Genesis or Jet.EASY TO CARRY: Travel easy with Tepist - the two finger carrying cap makes the TwentyO bottle comfortable to hold with you on-the-go! The durable carrying cap is compatible with carabiners and water bottle straps so you can go hands-free! The tapered bottom and bottle size fits universal cup holders.PREMIUM BUILD: Our bottles are made using 18/8 premium, thick-walled stainless steel so they are strong and rust resistant inside and out. This means Tepist bottles can easily handle the daily bumps and scrapes of an everyday lifestyle.ENVIRONMENTALLY FRIENDLY: Tepist&';s reusable bottles are a sustainable alternative to your disposable plastic or fragile glass bottles. Our bottles are plastic-free, BPA-free, reusable and built to last.