The SPI staining kit has 100 of the common biological stains which is ideal for use in both routine and developmental lab work, this comprehensive kit offers researchers a huge selection of staining compounds. Packed in a handy storage case, your kit will contain our choice of 100 common and rare biological stains and dyes, selected from among those listed below. There is a 1g vial of each stain in the kit except for BS-160 Methylene Violet, and that is 100mg. Replacement vials of each stain are available in 1g and 5 g quantities. Ask us for pricing!