BPA wide mouth lid with a rubber gasket inside for a leakproof seal. The lid is rack dishwasher safe and designed to prevent leaks when packed in bags, backpacks, or car cup holders. Water bottle lid with a durable handle for easy transport. Ideal for outdoor activities, travel, and camping. Spout lid compatibility Hydro Flask Wide Mouth: 12 oz, 16 oz, 18 oz, 20 oz, 32 oz, 40 oz, 64 oz Simple Modern Summit: 10 oz, 14 oz, 18 oz, 22 oz, 32 oz, 40 oz, 64 oz, 84 oz, 128 oz Iron Flask Wide Mouth Takeya Actives MIRA Sierra Hydro Cell Most bottles with a 2.28 inch mouth diameter Note: Not compatible with Standard, NarrowMouth, Tumblers, or Growlers water bottles. Please check bottle mouth diameter before . Use scenarios On the trail or in camp: Fill with water or a sports drink; the leakproof gasket helps keep your bag dry and your gear lighter, even in a backpack or daypack. During travel or commuting: The builtin handle makes it easy to carry, and the lid fits securely in car cup holders or hydration packs. Daily hydration and gym use: Compatible with a wide range of widemouth bottles, allowing quick, spill topping off between activities.