Hardness: the equivalent of Rockwell hardness is about 89 degrees.
Thickness tolerance: the thickness tolerance of the cast material is controlled within 0.2 mm.
Transparency / whiteness: strict selection of raw materials, advanced recipe follow-up and modern production process to ensure that the plate is excellent transparency and pure whiteness, polished crystal clear.
Specification Item type: Wall hanging aquarium
Color: Transparent
Material: Acrylic （Not glass）
Usage: Fishing-farming, grow flowers, micro-landscape decoration
Size: Mini size: inner diameter15cm/5.91inch Small: inner diameter17cm/6.69inch Middle: inner diameter22.5cm/8.86inch Conversion: 1 inch=2.54cm or 1cm=0.393inch Package includes: 1 * Wall hanging aquarium