Ergonomic numbered connector to hold tubes with improved cap

A lab consumable, comprising:

• multiple tubes in the form of a hollow vessel with an edge portion as an opening, wherein the opening has a smooth surface;
• a connector to connect and hold the multiple tubes consisting of a bridge connecting rings holding the multiple tubes together, each one of the rings having a raised surface to host a marking and a conical surface, wherein the conical surface has a wider part and a narrower part, wherein the narrower part is inclined and shaped narrower than the wider part to accommodate the tube and the wider part houses the raised surface;
• and
• a strip cap connector which has a bridge to form strips of caps and each cap having a sealer for each of the multiple tubes wherein each sealer has many layered rings of at least one of the same circumference and different circumference and made up of a soft material to provide flexibility and a hard material to provide rigidity to the sealer when used for covering the multiple tubes, wherein the layered rings have an outer edge ring that is made up of the soft material and an inner support ring, wherein the bridge of the strip cap connector has a serrated part and a flexible bridge each of the serrated part and flexible bridge each separately connecting the multiple caps together.