Very large and covers the whole base of car seat w extra room. (albeebaby.com)
Fllo has the EACT — Energy Absorbing Crumble Technology — that reduces the forces transferred to your child during a car They use aluminum honeycomb deformable cores that are integrated into the base of the car seat. (earlymomentsmatter.org)
The strollers and car seats have model number 6100027 or 6100100 printed on a label on the base of the car seat and stroller's leg. (bestcarseathub.com)