For Sale Announcement: Medical Sponge Mattress Title: Excellent medical sponge mattress for the back (Size 180x200) Description: For sale: Medical sponge mattress in excellent condition, very comfortable for sleeping, supports the back and relieves spinal pain. Size: 180 x 200 cm (King Size) Condition: Very excellent and clean Specifications: Compressed medical sponge, comfortable and excellent back support. Soft, high-quality outer fabric. Strong, durable, and does not sag with use.