Dry  ice packages in form of layers sizes 25 +/- 3  x  39 +/- 3 cm .

Each layer should have minimum 24 pcs. 4 x 4 cm sections.

Each layer should have the  fourfold specifications of the material defined below.

3.a. The inside should be made ??of double woven textile.

3.b. Between the double woven textile, which is placed inside, there should be  cross-linked polymer refrigerant material.

3.c. The outer surfaces should consist two washable cups and the connection to the textile layers in the inner surface should have the one-way microperforation technology.

Should be more than melting point 198 C (390 F).

Should be nontoxic.

Manufacturer should have ISO manufacturing certification.

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