
Superior Temperature Retention BPA-Free 40oz Tumbler Stainless Steel Bottle. Superior Heat Retention: Double wall vacuum insulation keeps hot and cold liquids at desired temperature. BPA Free Material: 100% BPA free construction ensures safe drinking for adults and children. Leak Proof Design: Advanced lid technology seals liquids inside to prevent spills. Customizable Colors: Customized color options available via Pantone Matching System. Durable Powder Coating: Safe and durable finish protects appearance and resists stains and odors. High Quality Stainless Steel: Constructed with medical grade SUS304 inner tank and SS201 outer shell. Easy to Clean: Durable finish allows for whole product washing and easy maintenance. OEM/ODM Service: Full customization, minor customization, and flexible options available.