The Volas Waterproof Non-Slip PVC Shoe Covers are for someone who already has shoes and wants a listed outdoor cover.
A good match: wet or slick outdoor ground, waterproof and anti-slip language in one product, and Blue or White is acceptable. A weaker match: you need a published size system or certified protective footwear. Those are not listed.
The page does not say disposable. Reinforced construction and travel use read as a cover you keep. No reuse count is given.
Open the Volas shoe cover page if that profile is you.