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Enjoy your favorite beverages in eco‑conscious style with our Glass Tumbler with Bamboo Lid & Straw
Company Code: OBC003
Material: Glass
Usage: Coffee. Tea. Beer. Water
Color: Transparent Clear
Capacity: 16oz
Logo: YES

Enjoy your favorite beverages in eco‑conscious style with our Glass Tumbler with Bamboo Lid & Straw, a beautifully handcrafted 350ml (approx. 12oz – but also referred to as 16oz in some markets) glass cup perfect for iced coffee, bubble tea, juice, or water.



Q1: Is the glass really heat‑resistant?
A: Yes, it is made from hand‑crafted heat‑resistant glass, safe for hot beverages up to 70°C. However, avoid pouring boiling water directly into a cold glass – pre‑warm it with warm water first to prevent thermal shock.
Q2: Can I put the bamboo lid in the dishwasher?
A: No. Bamboo is natural wood; hand wash with mild soap and dry immediately. The glass body is dishwasher safe (top rack recommended).
Q3: Does the lid leak?
A: The bamboo lid has a silicone gasket that seals tightly when screwed on. It is leak‑proof for everyday carry, but we recommend keeping it upright for very liquid contents.
Q4: What is the exact capacity?
A: The stated capacity is 350ml (approx. 12 US fl oz). However, some customers refer to it as a 16oz cup because the total volume to the brim may be higher. Please contact us for exact fill line.
Q5: How do I clean the straw?
A: Use the included straw cleaning brush (if provided) or rinse with warm soapy water. The straw is reusable and dishwasher safe (if glass/stainless steel).