very good products. already sealed, just fill it with sterile syringue and use it ! Nice and profesional packaging. 2$ reduction card inside. fast answer in private message less than 24h shipping i m surprise how this seller is profesional

Really impressed with the quality of these. can't confirm if they really are sterile, but they look the part

very nice ! perfect for liquid culture of mushroom 10days shipping, fast communication with seller.

The other companies could learn from them. Very good packaging. Quick shipping.

very fast shipping and delivery. looking good, haven't tested yet. thank you!