Weight: 70gMaterial: Taste free. BPA Free Polyethylene Features:Faster drinkingSpecial fast flow silicone valve.Automatically flows when you squeeze.Self seals when you stop squeezing.No biting or pulling of valves.Unlike other squeeze bottles, valve is not exposed to dust or contamination.Drink up to 4 ozs in 7 seconds. Controlled HydrationClear bottle enables easy viewing of contents.Graduations every 4ozs helps control rate of hydration.Large 25oz (740ml) capacity is great for an hour of riding. Easier to UseMounts vertically or horizontally. Won't leak.Continuous ½ inch deep neck groove helps cages keep the bottle in place.Shoot into helmet vents for rapid cool down.Can be used for carbonated beverages.Dishwasher top shelf safe.Fill ¾ full and freeze for a cooler drink. Safe MaterialsBPA-Free material that keeps your drink tasting great. BIODEGRADABLE. Utilizing the latest in bio-chemical engineering, XLAB now offers biodegradable bottles! This is achieved by using a revolutionary additive, EcoPure, to the LDPE plastic during the molding process. The complete biodegradation process takes approximately 1-5 years. MEDICAL grade silicone for the fast flow valve.