Customized Tumblers & Travel Mugs, 16oz Cup w/Straw - BPA Free & Double Wall Insulated, This BPA free cup with matching straw holds up to 16oz and features a screw on off lid, stopper to keep straws from falling out, a tapered bottom to fit most cup holder and double walled insulation to keep drinks colder longer. ... #C9097 $3.42/each.