Please email customer support at help@zquiet.com and provide them with the email address you used and the shipping address, and they can assist you with your order status... .

Depending on several factors, ZQuiet's useful life is usually around 6 months. We sell the 2-pack with a case and both sizes so you can determine which size is best for y... ou, and refills are sold at half the price without the case. Some customers prefer to enroll in our subscription delivery program so they receive a fresh ZQuiet in the increments of their choice.

Hi Shannon, ZQuiet's design makes it one of the only anti-snoring mouthpieces that fits over retainers. However, we always recommend you check with your orthodontist firs... t if you are receiving treatment.

Hello Belinda, Yes, ZQuiet is one size fits all. The open tray design flexes to accomodate any size bite. If you find that it's not a fit for you, you can return it for a... full refund within 60 days.

Hello Terese, ZQuiet is a dental appliance, so if you have a history of not being able to wear a mouthpiece (or constantly removing it), then ZQuiet is probably not the r... ight solution for you.

If you're new to ZQuiet, we recommend ordering the two pack starter kit which contains one of each size and the storage case. After you determine which size works best, h... ang onto the case and order single size packs or subscribe for delivery in the interval that works best for you. Most people find easy quiet mouthguard lasts from 4 to 6 months.