This mattress has arm slots to bring better comfort for side sleepers

sonu mattress with arm slot   Dan slot block barrier

The mattress also comes with four firm support pillows that are designed to fit and fill the space This design allows you to fit your arm

Called Sonu Sleep System, it is the world's first mattress with arm slot designed for side sleepers so the arm can rest naturally  The patented Comfort Channel of the SONU Sleep System allows for the full range of motion of arms and shoulders within the mattress, not just on top Side

queen of wands slot mattress First Impressions of the Sonu MattressSpring The patented Comfort Channel of the SONU Sleep System allows for the full range of motion of arms and shoulders within the mattress, not just on top Side