Sentinel Ultra Thin Hard Acrylic Night Guard for Upper Teeth (1mm) (Adult Male, For Lower Teeth (all night guards are clear in color))

Here's how it works: We mail out an impression kit to you (mixing putty & a tray). You take your own impression & using the pre-paid envelope, mail it back to us. Upon receipt of your impression, we will fabricate your new custom fit night guard within 3-7 business days. That's it! .040 (1mm thickness) Ultra-thin, Hard Acrylic Nightguard can be worn comfortably night after night. This hard stint secures your teeth in place and provides long lasting durability for even the toughest night time grinders.