Edge Reinforced Micro Pocket Spring Unit High Density Breathable Coils for Mattress Inner Comfort Layer Custom Sizes Wholesale Premium micro pocket spring components engineered for exceptional support and comfort in mattress and furniture manufacturing applications. Product Specifications Product Name Micro Pocket Spring Unit Material High Carbon Steel Wire Wire Diameter 1.0mm-1.8mm Head Diameter 3cm Middle Diameter 3cm Height 2-6cm Turns 4-7 Turns Coils Count Customized to