VACCUM SEALED: Keep your drinks ice cold for 24 hours (holds ICE for 72hrs) or hot for 6 hours with double-walled leak-proof Tepist bottle, 30 ounce capacity.SODASTREAM COMPATIBLE: Tepist ThirtyO 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 ThirtyO bottle easy to hold with you on-the-go!TOUGH AND POWDER COATED: Our bottles are made using 18/8 premium thick walled stainless steel so they are strong and rust resistant with scratch and chip resistant powder coated finish.ENVIRONMENTALLY FRIENDLY: Tepist bottles are a reusable and sustainable alternative to your old plastic or glass bottles.