1.8L Oversized Thermo Flask Duo Lid Cap ONLY cup while the sleek matte finish

while the sleek matte finish add a touch of elegance

Our Replacement Dual Lid Cap for the OVER Wave Thermo Duo Flask is here to save the day

Tired of messy clothes and shoes cluttering your travel bag

this shaker features our signature patent Shaker Grate

Every order comes in a randomly selected color from our collection

1.8L Oversized Thermo Flask Duo Lid Cap ONLY cup while the sleek matte finishDuo Lid Cap for 1. 8L Flask Our most versatile cap yet. You asked, we listened. Weve got the Duo Lid for 900ml. Weve got it for 700ml. Now, finally, its here for the 1. 8L Flask. This all new Duo Lid is built for flexibility. Flip the spout for easy sips on the go. Twist it open wide for a big gulp when you need it most. Its solid in your hand, smooth to use, and made to perfect fit for your 1. 8L Oversized Flask.