SWIG. S101-B12-SG. 12OZ FLIP AND SIP WATER BOTTLE. SEAGLASS. Swig Life 12oz Flip and Sip Bottles are a favorite among adults and kids alike. This stainless steel insulated bottle in seaglass features a built-in straw making it super easy for to drink out of when you re on the go. Each Swig Life 12oz Flip and Sip Bottle has double-walled vacuum-sealed and copper-coated insulation which helps keep drinks cold for up to 24 hours and hot up to 12. The Flip and Sip Bottle also features an air-tight BPA-free cap to minimize spilling. Always use caution when handling hot liquids and please take care not to drink hot liquids from any straw.