This character is a Other Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. U+1F9FD offers a line break opportunity at its position, except in some numeric contexts.
The CLDR project calls this character “sponge” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: absorbing, cleaning, porous, soak.
This character is designated as an emoji. It will be rendered as colorful emoji on conforming platforms. To reduce it to a monochrome character, you can combine it with Variation Selector-15: 🧽︎ See the Emojipedia for more details on this character’s emoji properties.
The Wikipedia has the following information about this codepoint:
A sponge ( SPUNJ) is a cleaning aid made of soft, porous material. Typically used for cleaning impervious surfaces, sponges are especially good at absorbing water and water-based solutions.
Originally made from natural sea sponges, they are most commonly made from synthetic materials today.
Representations
System
Representation (click value to copy)
Nº
129533
UTF-8
F0 9F A7 BD
UTF-16
D8 3E DD FD
UTF-32
00 01 F9 FD
URL-Quoted
%F0%9F%A7%BD
HTML hex reference
🧽
Wrong windows-1252 Mojibake
🧽
Encoding: GB18030 (hex bytes)
95 30 E4 37
RFC 5137
\u'1F9FD'
Bash and Zsh inside echo -e
\U0001F9FD
C and C++
\U0001F9FD
C#
\U0001F9FD
CSS
\01F9FD
Excel
=UNICHAR(129533)
Go
\U0001F9FD
JavaScript
\uD83E\uDDFD
Modern JavaScript since ES6
\u{1f9fd}
JSON
\uD83E\uDDFD
Java
\uD83E\uDDFD
Lua
\u{1F9FD}
Matlab
char(129533)
Perl
"\x{1F9FD}"
PHP
\u{1f9fd}
PostgreSQL
U&'\+01F9FD'
PowerShell
`u{1F9FD}
Python
\U0001F9FD
Ruby
\u{1f9fd}
Rust
\u{1f9fd}
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