Filled with soft 7D hollow-cotton, the cushion is thick, skin-friendly and comfortable. Maximum 3.15 in. thickness cotton filling is of good resilience and will not sag or lose shape easily, bringing you a cozy and enjoyable sitting experience after long day exhaustion.2Pairs of tie straps are deigned to tightly fix the bench seat cushion in place, without worrying about the cushion moving around. Our long chair cushion is an ideal companion for enjoying leisure time in the backyard, deck, sun room, garden, outdoor bar, or by the swimming pool with your friends, families or your beloved. The chair cushion is delivered in vacuum compressed package. After unpacking, please patiently place it for 3-7 days, or put it in the dryer for 15 minutes to make it return its fluffy shape.