[This review was collected as part of a promotion.] Great replacement heads to my current toothbrush. Great texture for cleaning and really does the job well. Would like to be able to choose different colors for the future would be nice.

[This review was collected as part of a promotion.] So convenient! I love how many come in the pack firstly. Secondly the device I have I’ve been using for the past 3 years and don’t plan on going back to a regular toothbrush ever.

[This review was collected as part of a promotion.] These are great! Love my toothbrush. The refills come with 4 new heads! That's crazy. They last forever, and ur getting ur money's worth for sure! I won't have to buy any more heads this year!

[This review was collected as part of a promotion.] I love that the refills come as four. The price is affordable. They are easy to replace your old ones with these. And these refills last. The brushes do not hurt your gums.

[This review was collected as part of a promotion.] I am a big fan of oral B, and I already use their tooth brushes with this head already, and they do a very good job of cleaning my teeth and I am very satisfied.

[This review was collected as part of a promotion.] Easy to apply and use. Effective and efficient, great value for your money, very comfortable to use. I like that I can just toss them after so many uses and grab a new one.

[This review was collected as part of a promotion.] It feels great on my gums and lasts a while. I think it work fantastic and is a great value for what you get. I loved the packaging. I would get this again.

[This review was collected as part of a promotion.] I didn’t know how much better an electric brush was till I went to the dentist. She said my build up was so much better and she wanted to know what I changed. It was my Oral B io !

[This review was collected as part of a promotion.] This product is very good and of good quality. It helped me a lot with my gums and oral hygiene. It makes my teeth feel much cleaner. It's expensive, but it's worth every penny.

[This review was collected as part of a promotion.] They do have a sleek design. Affordable for a four pack of refills. They last awhile it takes a lot to wear them down. They clean very well and do not irritate my sensitive gums or teeth.