Merax 8 Inch Breathable Independent Spring Bed Mattress Two Sides Available for Use, Twin 8 inspring mattress relieves pressure points on your hips and shoulders while you rest 8 inspring Quality foam and polyester layering between cover and coils for optimal comfortmattress relieves pressure points on your hips and shoulders while you rest Both sides are available to use For your convenience and even more cost savings, this mattress is shipped compressed, rolled and vacuum sealed.Both sides are available to use Non-refundable After Unpacking