S'well Tumbler with Lid, 530ml, Onyx, BPA/BPS Free Vacuum Triple Insulated Travel Cup Slide Open for Hot and Cold Beverages, At Home or Work up to 12h Cold/4h

WHAT YOU’LL GET: S'well Onyx Tumbler, 530ml, in a classic matte black, coming with a slide-open lid TRIPLE-LAYERED & VACUUM-INSULATED: the tumblers are designed with Therma-S’well Technology to keep drinks cold for up to 12 hours and hot for up to 4 hours PREMIUM-GRADE MATERIALS: durable and rust-resistant 18/8, food-grade stainless steel that is BPA/BPS-free and reusable to reduce the need for single-use cups CONDENSATION-FREE EXTERIOR: the S'well drinking tumbler won't sweat in your hands FUNCTIONAL AND STYLISH DESIGN: perfect for home or work use. Keep upright and do not overfill