It is safe

High rim along the border of the tray ensures the water does not splash or overflow

Conformable adhesive-coated fabric tape

Fits Pouches with Flanges 3/4" to 2-1/4"

Ruby Chin Strap, Medium Sold By:1 Each It is safeChin Straps are designed to hold your chin comfortably and keep your mouth closed while you sleep. This lessens air leaking which will dry out your nasal and throat passages, and encourages breathing through your nose. The ruby style chin strap should be placed on the head so that the large section with the brand tag is at the back of the neck with the tag facing out. Secures the chin while maintaining complete comfort. High quality Velcro brand hook