Vinyl binders with clear overlay on the front, spine, and back covers are ideal for presentations. The clear overlay allows for easy customization. Three round-rings accommodate 11 x 8-1/2 punched paper.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.