2 Sport Caps. The Vapur Sport Cap is a push-pull spout that"s perfect for the everyday or active hydration. Each Sport Cap also includes a clear protective dust shield. * 2 Screw Caps. The Vapur Screw Cap is a tight fitting alternative when you absolutely need to prevent leakage. * 2 Additional Dust Shields. The Vapur Dust Shield is the ultimate sport cap protector. It will block dust and debris, so your sport cap remains clean even in the dirtiest situations.