Engineered from premium food-grade plastic, these infusers prioritize both durability and safety. Each insert measures 50.65mm in diameter and 80mm in length, creating a compact profile that fits seamlessly into wide-mouth bottles, cups, and teapots. Simply fill with your preferred tea leaves, fresh fruits, aromatic herbs, or vegetables, secure the ball mechanism, and let flavors develop to ion. The versatile design opens endless possibilities for flavor combinations while maintaining convenient portability for your on-the-go lifestyle.