The mug closeable press-In Lid slides shut to tame splashes and trap temps, then slides open wide enough for easy drinking and reusable straws.Soft Touch Exterior is easy and comfy to hold.Double-wall vacuum insulation protects temperature for hours.Made with 18/8 pro-grade stainless steel to ensure pure taste and no flavor transfer.BPA-Free & Toxin-Free. Free from toxins. The lightweight insulated cup can keep 24 ounces of coffee or tea and retain their warm temperature for hours.