Manufacturer Coolvie. You can decide if the mattress work well with you. Number of Mattress Coils 500. Mattress Coil Type Pocketed Coil. Unit Count 1.0 Count. 💏【Sleep Soundly】 The individual innerspring pocket coils in this bed mattress work independently, providing a non-disturbed sleep even your partner turn or toss in the middle of the night.