Our Ultimate Starter Pack contains everything you need to experience the Pur-Sleep CPAP Adjustment System: One Passive Diffuser base. Twenty premium, re-usable Diffuser Pads (along with zip-lock bags for storage). One 5ml bottle each of Clear, Spice, and Peace, three of our best and most popular essential oils! A sample vial (1ml) of 10 other aromatics in the product line (Calm, Comfort, Fresh, Deep, Creme, French Vanilla, Strawberry, Peach, Bubblegum, and Black Cherry). The package also includes a reuseable cardstock diffusion tray thats very convenient to pack when you travel.