The plastic products sector in Peru plays a crucial role as a strategic ally for various industries, due to the versatility of plastic products in multiple applications. However, it faces significant challenges, including a high order rate. This generates considerable economic losses and affects operational efficiency. Warehouse management with Lean techniques, particularly Lean Warehousing, has shown potential to improve operational efficiency and reduce waste, although its application in the warehouse context requires further research. One of the pressing problems of the sector is inefficient inventory management and order preparation, resulting in delays and errors in deliveries. This study proposes a warehouse management model based on Lean tools such as Value Stream Mapping (VSM) principles, slotting and visual control, with the aim of reducing the return rate and improving warehous...