They are solid and not hollow. These are Real Gold not Plated and not fake. Cuban link chains are specially known for their shine and strength. These chains have lobster locks for added security(except 1.5mm). The picture donot justify the look and beauty of these chains.
The approximate weight of the chains are as follows. 2.5mm 24 6.6g. 3.5mm 24 9.0g. 4.5mm 24 14.2g.5.5mm 24 20.4g. 9.5mm 24 49.8g. The chains are marked 14K/585 for metal authenticity. Now offered at an unbeatable price.