Product Specs: - Brand: Hydro Flask - Model: W40BTS - Capacity: 40oz - Wide mouth opening for easy filling and cleaning - Flex cap for secure, leak-proof closure Technical Information: - Double-wall vacuum insulation keeps beverages cold up to 24 hours or hot up to 12 hours - BPA-free and phthalate-free materials ensure safe drinking - Compatible with Hydro Flask accessories Fabric/Material Details: - Made from professional-grade 18/8 stainless steel - Powder-coated exterior provides a slip-free grip and resists scratches Fabric Care Instructions: - Hand wash recommended to maintain insulation and powder coat finish - Avoid using bleach or chlorine-based cleaners - Do not microwave or freeze the bottle