Swiss Navy "Travel Size" H20 in 5ml Lubricant - Water Based. Water Based Personal Lubricant. Advanced formulation for better viscosity and slickness. Premium, non-staining for quick and easy cleanup. For those of you who prefer a water-based lubricants, this is the one for you Swiss navy H2O water based is the one for you. Convenient pop-up lid for easy access and release when you need it.