Offered here is one, black # 8.5 stopper. These are domestically manufactured lab grade stoppers. The stoppers are solid, natural rubber. The size of each stopper is molded on the top.
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TrustScore 4.5 | 7,300+ reviews
Ayesha M.
The product exactly matches the description. Very satisfied with my purchase.
5 days ago
Abdullah B.
Great price for an authentic product. Fast international shipping too!
