Navy blue easy clean linen/viscose Oliver medium sofa (2 seater)

Brand new and is in excellent condition but has the wrong size base and back cushions (too small). See pics to see the gaps at both sides of the sofa. Will include the 2 pale blue feather filled scatter cushions which helps to hid the small gaps.
 
This is only a small sofa, quite low and shallow seating. perfect for a play room or office. Check measurements

W172cm x D83cm x H80cm (H63cm without back cushion)
Seat depth 52cm
Seat height 46cm