this bathroom hook is made in stainless steel alloy, there are other materials zinc alloy or aluminum alloy for your choices

The bathroom hook details as follow,

Destructive power of hardware accessories for our toilet partition:

Leg ≥44.1kN,

Hinge 1.67kN,

Corner Fastener ≥6.0kN

Detection data of Compact laminate:

Compressive strength: 280MPa as per ASTM D695-02a

Rockwell hardnessR:123/ as per ASTM D785-03

Linear expansibility (-30oC~+30oC) as per ASTM D696-03: Horizontal 2.48 X 10-5  oC-1,Vertical 2.55 X 10-5 oC-1,

Moisture(23oC,24h): 0.81% as ASTM D-570-98

Tensile strength: H 90.0MPa, V 87.7MPa as ASTM D638-03

Bending strength: H 107MPa, V 121MPa as ASTM D790-03

Flexural modulus: H 12.0GPa, V 13.1GPa as ASTM D790-03

Impact strength of cantilever beam gap: H49.2 J/m, V 48.3J/m as ASTM D256-06a

Material:

 stainless steel, zinc alloy, aluminum alloy

Accessory combination for a whole set 21 series toilet partition:

12pcs stainless steel alloy  corner fastener,

1pc stainless steel alloy lock,

1pc stainless steel alloy clothes hook,

1pc stainless steel alloy  bend,

1pc stainless steel alloy  flange,

1pc stainless steel alloy  hand clamp,

2pcs stainless steel alloy  legs,

2pcs stainless steel alloy hinges.

Feature:

Water & Humidity resistance, lmpact resistance, Heat & Cigarette burns resistance, it is acid and alkali approved.