Crafted with double-walled vacuum-insulated stainless steel, the Horizon Rocks 300 ml tumbler keeps your beverages hot for 3 hours or cold for 5 hours. The tri-mode lid with spill-resistant feature ensures flow control. With a durable powder coating and on-trend design, its built to prevent condensation on the outside of the tumbler. Designed with wide mouth opening for easy cleaning and filling. Lifetime guarantee for manufacturing defects. Non-slip silicone base. Free of BPA, BPS and BPF.