Our Stainless Steel Tumbler can offer your business a smart and easy marketing solution! This clear acrylic 12 oz. tumbler features a stainless steel base and black lid. The item size is 3" x 7 1/8" and the insert size is 9 3/4" x 5 3/4". It also features hand-washable customizable inserts. Your logo completes the promotional piece. Not dishwasher safe. Fitness centers and spas would love to market with this sturdy and attractive item!