SPORTS BOTTLE WITH FILTER & VOLUME SCALE: Integrated filter for refreshing infused water creations with fruit or herbs. The volume scale makes precise measuring easy and encourages regular hydration. The innovative ONE cap with a large opening enables convenient one-handed drinking – carry, open, drink, close. LEAKPROOF WATER BOTTLE: Fear a spill in your bag no more. This sports water bottle is fully spillproof, even if held upside down with carbonated beverages. Makes the ideal SIGG bottle to bring to practice, or to school - dishwasher safe and ready to use again. LIGHTWEIGHT PREMIUM MATERIAL: Crafted from Tritan, this glass-like plastic water bottle is unbreakable, scratch-resistant, and known for its featherweight properties. Keep your water level in check at all times! SAFE DRINKING: All materials used to design SIGG water bottles are free of harmful pollutants, such as oestrogenic substances and phthalates. Enjoy every sip out of this BPA free water bottle, ensuring a neutral smell and taste. SWISS DESIGN: SIGG bottles up over 110 years of experience designing the finest drinking bottles. Excellence and innovation meticulously manufactured from the combination of love for material and design.