Hydro Flask Flex Sip Coffee Tumbler – Insulated Stainless Steel, Non Spill, Leak Proof Travel Coffee Cup 20 Oz Sandpiper

Price: $34.95
(as of Sep 22, 2026 13:45:42 UTC – Details)


Designed with hot drinks in mind, Hydro Flask’s 20 oz Wide Mouth bottle with Flex Sip Lid™ is cupholder compatible and leakproof. This insulated, stainless steel bottle is ideal for coffee, tea or your favorite beverage, while keeping hot drinks hot and cold drinks cold.
20 OZ SANDPIPER FLEX SIP BOTTLE: Designed for hot drinks, the Wide Mouth water bottle with Flex Sip Lid is cupholder compatible and leakproof. This insulated, stainless steel bottle is ideal for coffee or tea, keeping hot drinks hot and cold drinks cold
24 HOURS COLD. 12 HOURS HOT: Double-wall vacuum insulation keeps drinks hot or cold for hours. The insulated bottle keeps beverages cold for 24 hours and hot up to 12. The TempShield insulation keeps the bottle cool to the touch
LEAKPROOF: Say goodbye to leaky water bottles. The Flex Sip Lid is leakproof when closed. Simply twist it shut and toss it into your bag without worry. Enjoy hot drinks, and rest easy knowing your drink stays securely sealed all day
PURE TASTE: Durable pro-grade stainless steel ensures pure taste and no leftover flavor transfer. So, today’s mocha won’t have any taste of yesterday’s morning brew
FITS CUPHOLDERS: The cupholder-friendly design means your bottle fits seamlessly in most cupholders. Designed for seamless cupholder cohabitation, it’s right at home on the open road, on the sidelines, in a pack or wherever you need to set your sips
Customers find the thermos keeps drinks hot and cold and appreciate its 20 oz size. The lid design receives mixed feedback – while some find it easy to take apart for cleaning, others consider it a pain to clean and put back together. Moreover, durability is mixed, with some saying it lasts for years while others report the top falling apart. Additionally, customers disagree on whether it’s worth the money, and there are concerns about leakage and accessibility, with some noting it doesn’t leak while others report issues, and while some find it easy to open, others find it too hard to unscrew.