Double Wall Glass Tumblers, Clear Glass Coffee Tea Cups with Handle

Double Wall Glass Tumblers, Clear Glass Coffee Tea Cups with Handle. Double Wall Insulation: Keeps hot drinks hot and cold drinks cold while the outer wall remains comfortable to touch. Heat Resistant Material: Made of durable borosilicate glass that is heat and condensation resistant. Microwave and Freezer Safe: Designed for daily use and safe for use in microwaves and freezers. 100% Lead Free: Hand-made and safe for health with a crystal clear look. Ergonomic Handle Design: Features a handle for a nice feeling in hand and easy handling. Multiple Safety Certifications: Certified by ROHS, REACH, and LFGB standards. Large Capacity: Holds 420ml (12 oz) of your favorite beverages. Screen Printing Customization: Available with screen printing for personalized designs.