This is borax, perfect for making slime. Instructions, etc., are included on a separate sheet in the photos, so please refer to them. - Product Name: Borax - Application: Slime making - Contents: 50g - Ingredients: Borax, PVA (polyvinyl alcohol) - How to use: Mix with water to make slime - Brand: Ken-ei This item has been stored in a dark place at home, so please understand this before purchasing. It has been kept as is since purchase and has never been opened. Please check the photos. Waterproof and water-resistant treatment will be applied, and it will basically be shipped the same day. Thank you for viewing. # Halloween on Mercari # Crafting