what are the dimensions? This seems to be a bit large

There are (2) dimensions. Inner seal is a 3 inch diameter seal, which sits inside the basket. The second dimension is the overall "lip" which seals the inner seal of the basket; 3 1/4 inch diameter.

why can this plug not be shipped to a California address?

I ship to California addresses. I live in California

Does this stopper fit down into the drain, or at the top of the drain so that it sticks out into the basin of the sink?

Inner flange diameter - 3 1/8". Outer diameter - barely greater than 3 1/4" (not a full 3 5/16"). It sticks up into the basin of my sink, and barely provides a seal so that the most minor bump to it results in a leak. The inner flange rests within the drain, but the out flange keeps it from resting down inside the drain.

Is this easier to pull out than the plastic stopper?

I have no problem pulling out the InSinkErator STP-SS what-so-ever. If you are having a problem breaking the suction, you can simply open drain function with this stopper.

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Insinkerator STP-MTBLK Sink Stopper, Matte Black

Insinkerator STP-MTBLK Sink Stopper, Matte Black

Product ID: 496907371

Details

Brand
InSinkErator
Colour
matte black
Global Trade Identification Number
Material
Plastic
UPC
050375009528

🖤Matte black finish for sleek style

♻️Durable stainless steel core

🛠️3.25-in x 1-in stopper size

30.80 OMR

Duties & taxes included

In stock

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Description

🖤 Stop the drip, style your sink—matte black never looked so sleek!

BUILT TO LAST - Stainless steel durability handles everyday kitchen messes without wear.
STYLE THAT SYNCS - Coordinates flawlessly with matching disposal flanges and air switches for a cohesive look.
MATTE BLACK MAGIC - Elevate your kitchen’s aesthetic with a trendy, fingerprint-resistant finish.
EFFORTLESS OPERATION - Easy to insert and remove—perfect for quick water retention or drainage.
SEAMLESS FIT ZERO HASSLE - Precision-sized stopper fits standard 3.5-inch drains effortlessly.

The InSinkErator STP-MTBLK Sink Stopper is a durable, matte black kitchen accessory designed to fit standard 3.5-inch drains. Made with a stainless steel core and plastic enclosure, it effectively blocks water and food particles from entering the drain. Compatible with all InSinkErator disposals, it offers easy insertion and removal while adding a modern, stylish touch to your kitchen sink setup.

Specifications

ASIN	B002I631IW
Best Sellers Rank	#109,464 in Home Improvement ( See Top 100 in Home Improvement ) #5 in Food Disposer Parts
Brand	InSinkErator
Colour	matte black
Customer Reviews	4.7 4.7 out of 5 stars (277)
Enclosure Material	Plastic
Global Trade Identification Number	00050375009528
Included Components	Sink Stopper
Item Type Name	Fits Standard Kitchen Drain Size of 3 1/2 Inch Diameter
Manufacturer	InSinkErator
Manufacturer Part Number	STP-MTBLK
Model number	STP-MTBLK, Matte Black
Number of Items	1
Number of Packs	1
UPC	050375009528
Unit Count	1.0 Count

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