REJECT SEAL MATTRESS

i have made the purchase of two mattresses queen xl and double SKYLINE EXTRA FIRM around September/ October 2024 .at DIAL A BED WYNBERG CLERANCE in less than 7 months the mattress is sagging , i have reported same where the purchase was made and the consultant form Bravo was sent to inspect the mattress after sending pictures, however his report was not satisfactory he said i need to rotate the mattress ,i need to put it on the floor to check if its not may base unfortunately i use sleigh bed and nothing is wrong with my bed i done all the exercises( rotate, put on floor etc) i was told to do .still i am not happy with less than 7 month sagging Sealy skyline mattress . i have requested for refund i was told they not refunding i requested for another mattress there is no response from DIAL A BED WYNBURG AND BRAVO