I purchased this last year and used it, but I'm selling it because I've started using something else. I think the remaining amount is less than half. I removed the outer container and measured it, and it was 28g. Would anyone who wanted to try it, or who is just looking for the pump, be interested? A serum that gives the skin firmness and elasticity. - Brand: SOFINA - Product Name: iP Firmness and Elasticity Inject Serum It will be shipped in simple packaging. Thank you for your understanding. m(_ _)m