Promotional Tumblers & Travel Mugs, Double Wall Acrylic Tumbler - 18 oz - Sweatproof & Straw Lid, This high-quality 18 oz sweatproof tumbler with double-wall insulation is perfect for your cold beverages. The screw-on lid comes with a removable drinking straw. Available in bright, attractive colors Double-wall insulation Screw-on lid with removable drinking straw Intended for cold beverage use only 18 oz capacity when filled to the rim Sweatproof ... #45856 $4.21/each.