Borosilicate Glass | | Eco-Friendly Design: Crafted From Premium, Bpa-Free Glass With A Natural Bamboo Lid, Promoting Sustainable Hydration. | | Versatile Infusion Capabilities: Features A Stainless Steel Strainer For Brewing Loose Leaf Tea, Fruit-Infused Water, Or Refreshing Cold Brew Coffee. | | Temperature Retention: Designed To Keep Your Drinks Hot Or Cold, Ensuring Optimal Enjoyment Whether At Home Or On The Go. | | Travel-Friendly: Lightweight 16 Oz Size Fits In Most Car Cup Holders, Perfect For Yoga, Travel, Or Daily Hydration. | | Ideal Gift For Wellness Lovers: A Thoughtful Gift For Tea Enthusiasts, Eco-Conscious Individuals, And Anyone Embracing A Healthier Lifestyle. | |