STL FL TUMBLER GLASS 370 ML (M)
- Model: LEAKPROOF
- JAN: 317
Sip more.
Spill nothing.
The STEELINE Flexi Lock Tumbler (Glass) 370 ml (Med.) with Lid — premium glass, snap-fit seal, built for every drink in your daily rotation.
A lid that actually holds.
Every detail built to take daily use without showing its age.
Snap-Fit Seal
No threading, no fussing. Press once — it's locked, it's sealed, it's done.
Premium Glass Body
Taste-neutral, odour-free glass that stays clear and clean wash after wash.
370 ml — Just Right
Full serving, compact carry. Fits your hand, your bag, and your cup holder.
Designed from the rim down.
Every dimension of the Flexi Lock Tumbler is deliberate — for grip, pour, storage, and the 370 ml that lives inside.
Leak-Proof Snap Closure
Clicks onto the rim — secure for transit, easy to open one-handed.
Wide-Mouth Opening
Easy to fill, easy to clean, easy to drink from directly.
Tappered -Side Grip
Clean cylinder — steady hold and satisfying weight in hand.
Stable Weighted Foot
Sits straight on desk, shelf, car bottle holder or dining table without tipping.
Glass that fits your life.
A lid this good changes more than you'd expect.
Flavour, Preserved
Glass holds no taste or odour — your butternilk tastes perfect.
No Spills In Transit
The snap-fit lid seals the rim so your bag stays dry and your day stays on track.
Built To Last
Quality glass and a durable lid — not a tumbler you'll be replacing next season.
370 ml of whatever you feel like.
it holds all of it.
Every number that matters.
370 ml
Full serving, no bulk. The medium sweet spot.
Premium Glass
Taste-neutral, clear, and clean through daily use.
Snap-Fit, Leak-Proof
Press-on lid that clicks securely into place.
Medium (M)
Fits most cup holders and bags without a fight.
Simply every drink.
Hand Wash and dishwasher safe
Quick rinse — glass clears clean, lid stays snug. Place the tumbler upside down in dishwasher for better cleaning.
Glass up.
Your daily sip, done right.
Bring the STEELINE Flexi Lock Tumbler 370 ml, into your routine.