Size: Size: 8.5 x 5.5 x 7cm/3.35'' x 2.17'' 2.76'' (Approx.) The size of this device is ONE SIZE FITS ALL (realizing some oral openings are smaller or larger) but the effect will be the same. Material: A firm Silicone made to provide resistance to increase muscle tone, not pliable or made to form around objects. Effect: The exercises need to be done every day, at least twice a day, over a 2-4 month period to see noticeable results, (just like any exercise program).
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