This article explores the premium PSA TPU Gradient Slab Bumper Guard manufactured by Gstar Technology (Shenzhen) Co., Ltd. We discuss the technical advantages of using Thermoplastic Polyurethane (TPU) over silicone, highlighting its superior impact resistance and anti-yellowing properties. The guide details how a PSA slab protector case prevents micro-scratches and chips, preserving the slab's clarity and resale value. As a leader in the Shenzhen manufacturing sector, Gstar Technology offers unparalleled OEM/ODM services, allowing brands to customize colors, logos, and packaging. With ready-to-ship stock and a focus on precision engineering, Gstar provides the ultimate PSA slab display protector solutions. Whether for individual "color-matching" or large-scale retail distribution, these graded card TPU bumper units represent the future of professional card protection and aesthetic display in the global collectibles industry.