Product Review

Features:

• Size:9" X 12", extra thick for great heat insulation.
• Material:FDA approved food grade silicone.100% silicone.
• Heat Resistant,Non Slip, Flexible, Durable,Waterproof.
• Very novelty design ,perfect Home Kitchen Decoration.add colors and fun to your kitchen. 
• 2PCS Trivet Mat, Hot Pads, Perfect For Modern Home Decor, Silicone Heat Resistant Coasters,Cup Insulation Mat. DISHWASHER SAFE: When it needs to be cleaned, simply hand-wash our silicone trivet or toss it into the dishwasher. 

Functions:

• Keep your hands safe while handling hot pans and pots from the oven or stove.
• Can be used as pot holder, trivet, hot pads, jar opener, table coaster,spoon rest,and garlic peeler.
• Protects stove top, table top or counter top from unsightly burns.

Package Content:

• 2 x silicone trivets
  

Q1: What's the diameter of the silicone pot holder?

A: The diameter is 9inch x 12inch

Q2: Some one us these as pot holders, but do they work well as jar openers?   

A: Yes,they can certainly use as pot holders,jar openers,trivet,spoon rest and large coaster. it's heat resistant up to 464°F.