Double Glass Advertising Mug with Lid 1,eco-friendly 2,heat ... toxic, 3,bpa free,100%recyclable 4,use dishwasher Double Glass Advertising Mug with Lid Product Description: 1,made of ... high grade borosilciate glass tube 2,bpa free 3,eco-friendly,heat resistant,do ... not have lead 4,filter: tea filter inside with four springs to regulate the degree or lightness 5,all our ...