Mechanical Engineering 18 oz Steel Bottle Experiment These leakproof straw lids flip

These leakproof straw lids flip up so you can sip on the go

Twilight in the Evergreen Forest brings the moist smell of humus and pine

or use it to wrap packages

Fill this butterfly tote bag up with all your winnings from the farmer’s market

Surprise yourself with 6 mystery sheets of wrapping paper and snag a discount in the process

Mechanical Engineering 18 oz Steel Bottle Experiment These leakproof straw lids flipWith this Mechanical Engineering flask filled with a fresh cup of java, you're good to go. Take your day by storm, solve all the problems and stay caffeinated (or hydrated) while you do. With a textured design for a unique tactile experience, this flask will keep your drink hot or cold until you're ready to enjoy it.