These are nail file holders. They will protect your nail file/ emery board from getting damaged in the bottom of your bag, making it easier to find. Each case measures approximately 8.25inches/ 21cm in length x 1.75inches/ 4.5cm wide so is able to fit a standard size emery board or nail file, however it comes with an emery board inside You will receive a random selection of designs Please send a message for further information