Innovative U-Shape Design: Unique tailbone cut-out even weight distribution, and raised sides for hip support. Pre-shaped foam molds to your body for exceptional comfort and support. Upgrade to optimal comfort with our coccyx cushion (18"L x 16"W x 4"H) and transform your sitting experience today. Note: For optimal comfort, we recommend this seat cushion for office chair for individuals weighing less than 100 kg. For weights exceeding 100kg, we recommend the upgraded version SC Butterfly XL
Ergonomic Seat Cushion: The split and orthopedic design helps disperse body weight evenly across the hips and thighs, encouraging a comfortable posture during long sitting sessions
Thick Seat Cushion: 4.3" thick memory foam remains firm and supportive without going flat. The extra-dense bamboo charcoal-infused memory foam for freshness. Provides all-day sitting comfort
Ease Of Use: Built-in handle to make it easy to carry. Breathable cover with zipper closure for easy machine washing. Non-slip bottom ensures grip, especially on leather seats, for secure placement. Removable cover maintains freshness, while the non-slip feature enhances stability
Take Comfort Anywhere: ProtoArc seat cushion reduces pressure on lower back and hip for all-day comfort, perfect for road trips, exercise, gaming. Standard size fits all body shapes, suitable for car seats, office chairs, wheelchairs, ensuring superior support and comfort anytime, anywhere
Tips: 1. It may take 1-2 weeks to adjust to the cushion's shape for the first time. Many users have found it offers consistent comfort during prolonged use. 2.The cushion comes vacuum sealed so you will need to let it expand for an hour or two before first use



















