1、Dyeingeatment, the sucture is clear and easy to see. The sucture, parts and organs shown are obviously colored, clear and uniform. 2、Each slice is rigorously tested by a professional to ensure the quality of the slice. 3、Made of high quality optical glass, clean, clear andanslucent. 4、The edge of the slide is polished, no damage to the hand, safe to use. 5、Use high-sength plastic box with thick edges and built-in shockproof sponge to ensure the quality of the slide. Features:1. Dyeingeatment, the sucture is clear and easy to see. The sucture, parts and organs shown are obviously colored, clear and uniform. 2. Each slice is rigorously tested by a professional to ensure the quality of the slice. 3. Made of high quality optical glass, clean, clear andanslucent. 4. The edge of the slide is polished, no damage to the hand, safe to use. 5. Use high-sength plastic box with thick edges and built-in shockproof sponge to ensure the quality of the slide. Specification: Condition: Brand New Item Type: Biology Slide Material: fresh, timely, no lesions. Quantity: 20pcs Package List: 20 * Biology Slide 1 / Penicillium / 2 / Aspergillus / 3 / Rhizopus / 4 / acillus / 5 / Bacillus anthraci / 6 / acillus subtilis / 7 / Escherichiacoli / 8 / Staphylococcus epidermidis / 9 / Staphylococcus aureus / 10 / Actinomycetes / 11 / Lactobacillus / 12 / Bacillus cereus / 13 / Shigella dysenteriae / 14 / ac.Thuringiensis smear / 15 / Acetate smear / 16 / Pasteurella maltocida smear / 17 / Septococcus di-pneumoniae smear / 18 / Pseudomonas aeruginosa smear / 19 / acterial type III / 20 / Yeast / / larg bold;Note: Please note that the new type and old type of this product will be sent randomly, a nd make sure you will not mind before ordering.