Speed Hound Durable Double Wall Insulated Hydro Thermos 21 Oz Bottle Stainless Steel Food Grade Water Flask Best for Hot or Cold Leak Proof Handle BPA Free Vacuum Sealed with Wide Mouth EASY TO CARRY AROUND - No more juggling your bottle when you are out and about! Also, it fits in 99% of cup holders (71.5mm diameter), wide mouth makes it easy to pour into or add ice cubes without making a mess BEST INSULATION compared to market leading brands - Double wall construction insulates hot beverages up to 12 hours and cold drinks up to 24 hours WON'T LEAK, WON'T SWEAT, DURABLE - Made with high quality food grade 18/8 stainless steel that is BPA free, powder coated for durability and improved grip MONEY BACK GUARANTEE - If you don't feel that this is the best insulated bottle out there, we will give you your money back, NO QUESTIONS ASKED! GIVE BACK - 5% of all profits donated to No-Kill animal shelters, $5 saves an animals life