Leak-Proof Lid: Designed to prevent spills and leaks even on the move Vacuum Insulation: Maintains drink temperature for hours hot or cold no matter the conditions Durable Stainless Steel: Built tough to withstand daily use workouts and outdoor adventures Protective Bumper Base: Non-slip and dent-resistant for added stability and surface protection Cup Holder Compatible: Slim design fits most car cup holders for easy hydration on the go