Pyramid International Batman Bat Emblem 40oz/1200ML Tumbler with Straw and Lid, Advanced Double Wall Vacuum Insulation, Guarantees Cold Up to 11 Hours, Hot 7 BPA Free

Advanced Double-Wall Vacuum Insulation: Efficiently keeps beverages at the right temperature with cold drinks staying cold up to 11 hours and hot drinks remaining hot for up to 7 hours. Enhanced with Electroplate Technology: Provides about 30% better thermal performance compared to standard designs for superior temperature retention. Temperature Control: Keeps cold drinks icy cold up to 11 hours and hot drinks steaming hot for up to 7 hours with excellent temperature control. Premium Construction: Constructed from 304 food-grade stainless steel for durability, a pure taste with no flavor transfer, and completely BPA-Free. Smart Design Features: Includes a versatile lid with sip-through opening, full-cover top, and splash-resistant straw. Ergonomic handle with silicone grip fits most cupholders.