Great Gear Infuser Water Bottle Leak Proof Flip-Top Sport, BPA-Free Tritan, 25 oz, Charcoal Safe to use: finger grips and a sports spout makes it fun to use while drinking in car, exercising, office, outdoors, back to school, running or gym Easy infusing: we find that a 1/2 filled sleeve will last for 2-3 infuse refills Best teacher, stocking stuffer or premium holiday gift idea - your friends and family will love it Leak proof: our locking lid ensures that not a single drop will leak like other infusers Save money: no need to buy expensive flavored bottled beverages