20oz Glass Tumbler with Straw and Lid?Tumbler With Silicone Protective Sleeve and Bamboo Lid BPA Free Black

MATERIALS   BOTTLE: BPA-free, 100% glass   SLEEVE: Soft chemically inert, non-toxic silicone   LID: safe bamboo lid   Fits in most standard drink holders    Notes:   1.Glass body instantaneous temperature difference is -20°C-130°C. 2.Please note if there are any cracks,chipping or other defect before use,DO not use if these defects are found. 3.Please note that drastic temperature difference could cause breakage. 4.Avoid getting close to fire and do not put in the microwave and oven. If your glass bottle breaks within the first year of purchase, please contact us, we will ship you a replacement for free