About this item:
【Professional Grade Biology Specimens】100Pcs prepared microscope slides, labeling on each slide identifies specimens. 
【High-quality Optical Glass】Highly transparent slides, no impurities, to observe the specimen clearly. 
【Frosted Round Edge】No sharp edge design, not scratching, well make for kids and adults using. 
【Well Protective Packing】Multi-layers package, with protective sponge, plastic box, and condensed cardboard tray outside. If any piece is broken or lost upon receipt, please contact us for resend or full refund. 
It is a popular science enlightenment tool for children to explore the micro world and stimulate their interest.