Features 1、Dyeing treatment, the structure is clear and easy to see. The structure, 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 and translucent. 4、The edge of the slide is polished, no damage to the hand, safe to use. 5、Use high-strength plastic box with thick edges and built-in shockproof sponge to ensure the quality of the slide. Specification Features: 1. Dyeing treatment, the structure is clear and easy to see. The structure, 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 and translucent. 4. The edge of the slide is polished, no damage to the hand, safe to use. 5. Use high-strength plastic box with thick edges and built-in shockproof sponge to ensure the quality of the slide. Specification: Condition: 100% 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 Bacillus 5 Bacillus anthraci 6 Bacillus subtilis 7 Escherichia coli 8 Staphylococcus epidermidis 9 Staphylococcus aureus 10 Actinomycetes 11 Lactobacillus 12 Bacillus cereus 13 Shigella dysenteriae 14 Bac.Thuringiensis smear 15 Acetate smear 16 Pasteurella maltocida smear 17 Streptococcus di-pneumoniae smear 18 Pseudomonas aeruginosa smear 19 Bacterial type III 20 Yeast 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. Package List