describe: Bottom chin support size: 3" inches wide Very soft and comfortable The most comfortable snoring belt you have ever worn The strap is 3 inches wide by 4 1/4 inches long, which provides extra strength to keep you strong and keep you united all night long. . The strap is 29 inches long and can be stretched to fit a 30-inch circumference Adjustable straps wrap around to try to keep the mouth closed and reduce snoring Comes with comfortable ear holes to help sleepers rest better and easier May also help prevent dry mouth and sore throat Effectively increase Rem sleep Prevention ~ Snoring, sleep apnea, bruxism, temporomandibular joint pain One size fits best---easy to wear about 24" to 30" unique design: It provides you with a comfortable, effective and easiest way to stop snoring or treat orthostatic sleep apnea. It can help you and your partner sleep better every night and wake up feeling refreshed instead of tired. The package includes: 1 X anti-snoring tape