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 NewItem Type: Biology SlideMaterial: fresh, timely, no lesions.Quantity: 20pcsPackage List:20 * Biology Slide1Penicillium2Aspergillus3Rhizopus4Bacillus5Bacillus anthraci6Bacillus subtilis7Escherichia coli8Staphylococcus epidermidis9Staphylococcus aureus10Actinomycetes11 Lactobacillus12Bacillus cereus13Shigella dysenteriae14Bac.Thuringiensis smear15Acetate smear16Pasteurella maltocida smear17Streptococcus di-pneumoniae smear18Pseudomonas aeruginosa smear19Bacterial type III20YeastNote: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..