GoGlass Aspen Glass Drinking Water Bottle, 20 oz, BPA FREE, Leak-proof, Reusable Save 20%: Black Friday and Cyber Monday Deal. Use coupon code 6EPFDQ67 at checkout. HIGH QUALITY GLASS: High medical grade 20 ounce borosilicate glass drinking bottle. Strong. Thermoshock resistant. PREMIUM: Wooden leak-proof cap with leather handle and neoprene sleeve will protect hands from hot and cold beverages and bottle from minimal impact. TASTES GREAT: Glass keeps water pure and fresh. No plastic or metallic aftertaste. NO TOXIC CHEMICALS AND ECO-FRIENDLY: Free of BPA, BPS, PVC, Polycarbonate, phthalate, and lead.