Insulated Acrylic Tumblers - Skinny with Double Walls, Straw & Lid Keep your drinks perfectly chilled or toasty with our high-quality acrylic construction, complete with a push-on lid and inner seal ring to maintain temperature. No more drips or condensation on tables or countertops with our sweat-proof design. Plus, it's made from 100% BPA-free plastic and easily fits into cup holders for on-the-go convenience!