Premium 13oz/400ml stainless steel travel tumbler with double-wall vacuum insulation and copper lining maintains beverages at optimal temperature for extended periods. BPA-free construction ensures safety while preventing chemical leaching into drinks. The integrated stainless steel tea strainer provides convenience for tea enthusiasts without microplastic concerns. Features a non-slip silicone bottom for stability and noise reduction, plus a secure screw-type cap that guarantees leak-proof performance. Perfect for tea brands and importers seeking high-quality, durable drinkware solutions that combine functionality with modern design.zq20260203120304