From the gym to the soccer pitch to the trail, Chug Cap is made for quick hydration. The wide spout lets you take in fluids fast when you need them most. Chug Cap’s versatile design features a convenient spout cover which protects against spills mid workout, and screws down securely for a leakproof seal when you’re ready to call it a day. Chug cap features new TK Closure™ internal thread design to keep drinks ice cold. Get back in the game quick with Chug Cap. NOTE: Compatible with insulated bottles only (with internal threads).