CYLEN Home-Memory Foam Bamboo Charcoal Infused Ventilated Orthopedic Seat Cushion – Blue Washable & Breathable Cover – $13.75 – Amazon

https://www.amazon.com/dp/B01G1CBYAK/
Coupon Code: Q9O5EGJG
BAMBOO CHARCOAL INFUSION -provides superb ventilation ability and reduces temperature from rising
STATE OF THE ART MEMORY FOAM – provides quality seating comfort and pain reliving experience
NEWLY MODIFIED COVER – allows a maximum air flow with non-slip feature
5 YEAR WARRANTY – comes with 5 year warranty and 30 days no hassle return
SPECIAL TEMPERATURE SENSITIVE TECH -Because of the SPECIAL quality memory foam material, the cushion will be HARD when the temperature is low. It will become very SOFT and COMFORTABLE after 5 minutes usage.