4. Shipping Hold off: Just one purchaser expressed disappointment with the shipping system, stating they experienced paid for expedited shipping but had not gained the item in the predicted timeframe. Early versions of whitening strips proved demanding as being the gel strips were being too “wet,�?leading to the strips to https://www.onugechina.com/onuge-teeth-whitening-strips/how-to-choose-the-right-oem-bleach-whitening-strips-manufacturer-onuge-makes-it-easy.html