Material: Microscope slides with single convavity is made of premium Optical glass for lab observation.
High Transparency: Single concave microscope slides use special glass treatment technique for high transparency.
Pre-cleaned : These glass slides are pre-cleaned and could be easily cleaned and reused, Eco-Friendly.
Design: Grounded edges design help protect skin from hurt. Paper insterted for easy remove.
Spercification: 50PCS, 25.4 x 76.2 x 1.2mm (1" x 3" x 0.05"); Concave diameter:16mm(5/8"), depth 0.5mm(0.02") common size blank single depression slides widely compatible for microscope uses.