Trek Tumbler Flip Lid

Name: Trek Tumbler Flip Lid
Brand: Simple Modern
SKU: SKU-329882-default
Price: 7.91 USD
Availability: InStock
Rating: 4.8 (11 reviews)

$7.91 ~~$11.99~~ In stock

Category: Accessories

Quarter Turn Lid: Threading technology allows four different lid placements for your drinking hand preference
Insulated: Flip Lid is double walled, keeping your drink the ideal temperature for hours
Leak-Proof: Flip Lid prevents spills and leaks when in the closed position

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 11 reviews)

Lily ★★★★★ Aug 13, 2026

I’ve been through three other lids that leaked or sloshed, but this double-walled flip design keeps my coffee hot for hours and the quarter-turn lock clicks into place perfectly for my left hand. It’s the small details that make it a daily win for me.

Nicholas ★★★★★ Aug 12, 2026

The quarter-turn threading is genius—I can finally position the sip hole to match my left hand without twisting my wrist awkwardly. It locks in place firmly, and the double-wall insulation keeps my coffee hot through a full morning of meetings.

John ★★★★★ Aug 11, 2026

I was skeptical about the lid gimmick, but the four placements really work—I can sip with either hand without adjusting my grip. The double-wall insulation kept my coffee hot through a full afternoon of errands, which honestly surprised me for a flip lid.