Transparent biological specimen pen - Japanese bald shark Sicyopterus japonicus

※ The gold, color, black, and white pen bodies of this product are all gold in color. 【Maintenance Q&A】 QA. How to maintain the transparent bio pen on a daily basis? ● Transparent biological part → Please avoid direct sunlight or high temperature environment. Excessive temperature will cause the internal organisms to shrink and be damaged. ● Pen body → Alloy products will definitely cause oxidation due to long-term use. This is a normal physical phenomenon, but if maintained well, the lifespan can be very long. The following maintenance methods are provided for your reference: 1. Keep it as dry as possible. If it comes into contact with water, wipe it clean to extend the life of the metal. 2. When writing, it will inevitably come into contact with sweat and cause corrosion. Try to avoid using it when your hands are full of sweat. 3. Avoid mixing and storing a variety of metal items in the open as they are more likely to cause scratches and oxidation. 【Purchase Instructions】 ★ Quality warranty: Products related to transparent specimens have a one-year warranty under non-human factors and are protected by the only specimen patent in Taiwan. Please feel free to purchase. [Patent certificate number: M584263] ※ Warranty service is only available in Taiwan. ★ Insurance claims: All Yuxin products are insured with a maximum product liability insurance of NT$10 million. ★Sample source: Only use dead organisms as samples, such as bottom trawl discards, farm or aquarium disease dead organisms. ★ Maintenance method: Store in a cool and dry environment, away from direct sunlight. ★ How to use: All products are functional ornamental products and should not be dropped or eaten. Children under 12 years old should be accompanied by their parents when purchasing. ★ Damage treatment: If the specimen bottle is accidentally broken, please put the specimen into a ziplock bag for temporary storage, and then go to the Yuxin store to purchase a "special glycerin replacement bag" to replace it. If necessary, you can privately message Yuxin customer service staff. ★Individual differences: Specimen types and dyeing effects are different, and the physical specimen cannot be 100% exactly the same as the photo. If you have any doubts, please contact Yuxin customer service staff for product details. Returns and exchanges for the above reasons will not be accepted after the product is sold. Please note the above, if you have any questions, please send a private message to the editor, we will try our best to improve it😊