- Premium quality wood beads: crafted from quality wood for durability and an attractive finish. The ventilated design provides breathability, making it a practical car seat accessory. Double-strung heavy-line construction ensures long-lasting use. - Massaging effect: beads gently massage with each movement, delivering soothing pressure to the back, hips, and thighs. Helps relieve fatigue and discomfort from prolonged sitting while driving or working. - Ventilation design: small gaps between beads promote air circulation. This helps lower surface temperature in hot areas and keeps you cool and dry on hot and humid days. - Easy installation: fits nearly all seats. Just place on the seat surface and secure with the attached string at the back. No tools required for quick setup. - Use scenarios: long drives and daily commuting to reduce back fatigue; rideshare or delivery driving for extended sitting; hot and humid days to stay cool and dry.