CHUG LID vs STRAW LID vs COFFEE LID: No need to stress over which lid you want… you get all 3! Because sometimes you want chug, and other times you’d rather sip. And of course, you always need your morning coffee. All lids are Leak-Proof. HEY, WILL THIS FIT IM MY CAR’S CUP HOLDER? Yup! Our water bottles fit perfect in a car’s cup holder. We wouldn’t do it any other way. BEST VACUUM INSULATION TECHNOLOGY (WITH COPPER LINING): How do you improve upon a Double-Walled, Vacuum Insulated Water Bottle? Simple. Add an Interior Copper Lining. This advanced technology helps improves the Thermal Insulation in our Water Bottles. Keeping your beverages colder or hotter longer. SAY AHHH...(WITH A NICE WIDE MOUTH): We designed our Water Bottles with a Wide Mouth. This makes cleaning and adding ICE CUBES super easy! DON'T SWEAT THE SMALL STUFF: This will not transfer heat or cold to the outer walls. That means it will not feel hot or cold in your hands... and No Condensation on the outter wall,