The concentrate tray kit is great for on-the-go use. Includes two food grade silicone concentrate containers, silicone tray, and stainless steel dab tool with silicone tip. The silicone containers each have a 3ml capacity and diameter measures 32mm. The tray has a space for setting a 14mm slide or nail. Everything comes enclosed in a metal tin measuring approx. 3.75"x2.5"x1.85".