Double Glass Advertising Mug with Lid 1,eco-friendly 2,heat resistant,no 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 ... regulate the degree or lightness 5,all our thermos is double wall , so company logo and brand is available on ...