JUSTINA chair pad, green, 42/35x40x4 cm (17/14x16x2") - IKEA CA
2 Thick, Dusty Blue Memory Foam Seat Cushion, Chiavari Chair Cushion Pads, Chair Cushion With Velcro Strap and Removable Velvet Cover - Etsy UK
baibu 12 Inches Square Stool Cushions with Ties Set of 4 for Bar Stool, Breathable Square Chair Pads Seat Cushions with Anti-Slip Mat - Only Pads (12" (4PC), Navy Blue) : Amazon.co.uk:
2" Thick - Black Velvet Memory Foam Chiavari Chair Cushion Pads with Velcro Strap and Velvet Cover