Bike Water Bottle 21oz Insulated Cycling Squeeze Bottle with Leakproof High Flow Spout Universal Cage Fit

This lightweight 21oz / 620ml insulated bike water bottle features a soft-squeeze PP5 body, food-grade silicone high-flow spout with rotate-to-open/close flow control, aluminum foil insulation layer, and a standard 7.4cm (2.9") diameter designed to fit most bicycle bottle cages. Features & Specifications Capacity: 21oz / Approx. 620ml Bottle Material: Food-Grade PP5 Polypropylene Insulation Layer: Aluminum Foil Thermal Barrier Spout Material: Food-Grade Silicone Dimensions & Weight: Approx. 7.4cm (2.9") diameter | 105g Flow Control: Rotate to open/close spout to prevent leaks Easy Squeeze: Flexible body for effortless one-handed hydration while riding Heat Resistance: Up to 75°C / 167°F Compatibility: Fits standard bicycle bottle cages (Road, MTB, Commuter) Package Includes: 1 × Bike Water Bottle