VEVOR Soap Holder for Shower, Double Layer with Suction Cup, Wall Mounted NO-Drilling, Strong Suction Bar Soap Sponge Holder, Self Draining Soap Saver, for Shower Bathroom Bathtub Kitchen, Removable

While the product description doesn't mention anything about a drain tray, it does state that this soap holder has a unique drainage system that keeps soap dry and avoids softening or dissolving. However, customer reviews could provide more insights into the effectiveness of the drainage system in preventing soap scum buildup.

The product description states this soap holder is suitable for use in showers. Its vacuum suction technology allows drill-free installation on smooth shower walls, and the drainage system helps keep soap dry.

According to the product description, its double-layer design promotes drying by allowing water to drain away from the soap. Customers also appreciate this feature with many noting that it helps keep their soap bars dry and lasting longer.