The Tada tumbler is designed with drivers in mind, featuring a lid with clear visibility of its opening/closing status to help users stay focused on the road. The magnetic lid allows for easy one-handed use, and the precisely designed cup body fits various car cup holders while providing a comfortable grip. This design innovation significantly improves the driving experience, enabling users to enjoy beverages while simultaneously contributing to environmental conservation. By advocating for the adoption of reusable cups, the Tada tumbler promotes sustainability in daily routines.

Shanghai Grand has nearly 20 years of experience in product design and development, focusing on innovative design and brand planning. With rich experience, excellent quality, and innovative design ideas, Shanghai Grand brings users effective, user-friendly, and fun original home products.

Grand is a product design and experienced innovation company headquartered in Shanghai. Founded in 2003, Grand has full-service product development with over 20 years of experience. We design sustainable and consumer-centric products with a strategic full service that fosters increased revenue and brand growth. We provide a range of services from user research, strategic planning, creative solutions, and trendspotting to product design and development, also purchasing, quality inspection, logistics, and post-sale services. We have introduced products to the market in sectors including banking, supermarket, beauty, e-commerce, aviation, food and beverage, FMCG, and other fields. We strive to create beautiful, unique, and intuitive solutions that profoundly connect with users on both rational and emotional levels.