The Berg Stainless Steel 30 oz Tumbler &ndash; Includes BPA Free Slide Lock Lid Upgrade & TWO Stainless Steel Reusable Straws With Cleaning Brush OUTPERFORMED THE YETI RAMBLER 30 OUNCE IN BOTH HOT COFFEE & ICE TESTS! See Images To Left For Test Results. Premium Temperature Control for everything from coffee & soups to energy drinks & ice water. Our Dual-Wall Vacuum Insulation maintains liquid temperature while eliminating that sweaty mug or thermos. Just right  all the time  every time! Our Tumbler comes complete with TWO Stainless Steel Reusable Straws  one straight, one bent, along with One Metal Wire Cleaning Brush. Add The Berg to your arsenal of Must-Haves, and youve got everything you need, right out of the gate. Includes Upgraded BPA Free Slide Lock Lid  Because it matters. Not only is your liquid safely contained and temperature-controlled while in our travel tumbler, it remains safe from mug to taste buds. Quality is never compromised. Unmatched 100% Satisfaction Lifetime Guarantee  We believe in The Berg so much that your purchase is backed by our Premium No Questions Asked Guarantee  With stellar durability and thought-out construction, why wouldnt we guarantee it? It just makes sense.