[Size Information]Square Seat Cushions with Thick Cotton Filling measures approx 43cmx43cmx8cm/16.93inch x 16.93inch x 3.15inch [PP Cotton Filling]Chair Pad with Ties,exterior waterproof fabric cover,thick PP cotton filling,lightweight and breathable [Easy to Fix]Waterproof Garden Seat Cushions is equipped with 4 ties,which can fix the cushions to the backrest of your chair [Occasion]Outdoor Chair Cushion perfect for use at home,office,restaurants,hotels,etc.suitable for sitting,sofa,dining chair and outdoor [Nice Gift]Patio Chair Cushion great for your daily use and replacement needs,as a housewarming gift for family and friends