Multi-Layer Security Design and Product Assimilation Multi-layer defense where DJDUCK protective wallet cover incorporates outer covering (polycarbonate or TPU thermoplastic with Coast firmness 85-95A providing stiff structure), interior shock-absorbing layer (polycarbonate elastomer or silicone with Shore firmness 40-60A dissipating influence energy via compression), and budget part (natural leather or PU leather 0.6-1.8 mm density bonded…

Multi-Layer Protection Style and Product Combination Multi-layer security where DJDUCK safety wallet cover incorporates external covering (polycarbonate or TPU polycarbonate with Coast solidity 85-95A offering stiff framework), internal shock-absorbing layer (thermoplastic elastomer or silicone with Shore solidity 40-60A dissipating effect power via compression), and pocketbook element (natural leather or PU leather 0.6-1.8 mm thickness adhered…