POCKET COIL MATTRESS--ANTI STATIC (SINGLE-SIDED USAGE) ● Pocket spring system builts the perfect balance mattress. 2 in 1 unit pocket spring system makes a right solution to solve the demand of soft & hard mattress. ● Edge guard technology for 4 sides of the mattress won't buckle under presssure and allowing you to enjoy the entire sleeping surface.●Combined with HR foam in its inner part makes mattress not only stick with your body but also increase mattress elasticity,let you feel the strong support from HR foam.●Anti-static fabric is made up of special low resistance fiber yarn and is distributed metal components in fabrics. The special yarn hidden in fabric provides a sleep environment for sleepers which effectively reject the dust, especially the population with dust allergy, like the children and the elderly with low resistance.