SensAlert - Child Car Seat Alert - Compatible with Doona Car Seat & Stroller - Black Condition:Open Box Made from borosilicate glass for

Made from borosilicate glass for temperature resistance

Thickness: 1 inch gel memory foam + 5 inch high-density support foam

- BENCH WITH BACKREST: This sandbox offers a spacious and stable seat with backrest to keep your kids secure and prevent them from falling backwards as they play

Please check compatibility with your crib model before purchase

Piece 5: 4 Inches (W) x 2 Inches (H)

SensAlert - Child Car Seat Alert - Compatible with Doona Car Seat & Stroller - Black Condition:Open Box Made from borosilicate glass forSensAlert is the only child car seat alert solution with three levels of alert to keep your child safe, so they're not left unattended in the car. SensAlert detects the presence of a child on board and triggers the alert system when the caregiver moves away from the car (the smartphone loses Bluetooth connection with the SensAlert device). SensAlert is powered by the Doona app, and uses a cloud based system to call and send messages, so it does not