DuraPrint technology makes tumblers chip-resistant,peel-resistant,and dishwasher safe.Quiet,nonslip base prevents noisy slipping and sliding Slider lid is BPA-free,leak resistant,easy to open and close,and easy to clean Triple insulation reduces condensation and keeps drinks hot for up to 8 hours or cold for up to 24 hours (always use caution with hot liquids). Durable,copper-lined 18/8 stainless steel construction won't retain tastes or odors.Do not soak or use harsh cleaning materials (like bleach,chlorine,etc.) Do not put in freezer or microwave. Item Package Dimension: 9.48L x 5.8W x 3.38H inches Item Package Weight - 0.70 Pounds Item Package Quantity - 1 Product Type - DRINKING CUP