From the Manufacturer
The Crammer soft case features an open window so kids can study while its in the case. It also has an internal Velcro strap to secure headphones and an exterior clip that attaches to backpacks, purses, belt loops - to make studying on the go easier.* *Crammer device sold separately
Product Description
The Crammer soft case features an open window so kids can study while it's in the case. It also has an internal Velcro strap to secure headphones and an exterior clip that attaches to backpacks, purses or belt loops to make studying on the go easier. For use with the LeapFrog Crammer, sold separately.