Brand	UGREEN
Category/Details	Model Number S-831 Stamp Type Self-inking (pre-inked) Customization Yes (custom text/logo engraving) Ink System Integrated oil-based/dye-based ink pad Ink Colors Black (default) , Blue , Red , Green (optional) Stamp Area Up to 1.2" x 1.5" (customizable) Body Material ABS plastic + metal spring mechanism Refillable Yes (ink cartridge replaceable) Impressions ~8 , 000–12 , 000 per refill Dimensions 2.75" (L) x 1.5" (W) x 1.2" (H) Weight ~3.5 oz (100g)
Self-Inking Mechanism	Pre-Loaded Ink: No separate ink pad required; built-in reservoir ensures consistent ink flow. One-Press Operation: Spring-loaded design automatically re-inks after each impression. Smooth Action: Precision-engineered coil spring for effortless stamping.

Brand	Shiny
Technical Specifications	Model: Shiny S-833 Stamp Type: Self-inking (automatically re-inks itself between each impression) Impression Area: 25 mm x 82 mm (1 inch x 3-1/4 inches) Max Text Lines: Up to 6 lines of text (depending on font size and spacing) Ink Type: Water-based ink Body Material: Heavy-duty plastic for durability and a comfortable grip
Customization Options	Text: Can include names , addresses , company info , email , phone numbers , etc. Fonts: A variety of font styles available; bold , italic , script , block , etc. Logos/Graphics: Can accommodate custom logos , signatures , or simple graphics.

Brand	Shiny
Self-Inking Mechanism	Pre-Inked Design: The stamp contains built-in ink , ensuring mess-free operation without requiring an external ink pad. One-Press Operation: Simply press down , and the stamp automatically re-inks itself for the next impression. Smooth Action: The spring-loaded mechanism provides a quick , effortless stamping experience.
Technical Specifications	Stamp Area: Typically 0.5" x 1.5" (varies by customization). Ink Type: Oil-based or dye-based (smudge-resistant). Impressions per Refill: Approximately 5 , 000–10 , 000+ (varies by usage). Body Material: Durable ABS plastic with metal spring mechanism. Dimensions: ~2.5"–3" in length (compact design).

Brand	Shiny
Technical Specifications	Model: Shiny S-833 Stamp Type: Self-inking (automatically re-inks itself between each impression) Impression Area: 25 mm x 82 mm (1 inch x 3-1/4 inches) Max Text Lines: Up to 6 lines of text (depending on font size and spacing) Ink Type: Water-based ink Body Material: Heavy-duty plastic for durability and a comfortable grip
Customization Options	Text: Can include names , addresses , company info , email , phone numbers , etc. Fonts: A variety of font styles available; bold , italic , script , block , etc. Logos/Graphics: Can accommodate custom logos , signatures , or simple graphics.

Stamps