Thermal Coaster/Potholder by Viv Crochets

Thermal Coaster/Potholder

Crochet
July 2026
Light Fingering ?
15 stitches and 24 rows = 4 inches
in thermal single crochet
5.0 mm (H)
20 - 100 yards (18 - 91 m)
US
English
This pattern is available for free.

Video tutorial: https://youtu.be/QhnvztC0diE

This extra thick crochet coaster or potholder will protect your tabletops and hands from water and heat! The thermal crochet stitch used in this pattern creates a double layer of fabric for extra protection. Make these crochet square coasters and potholders for the perfect functional home decor!

Materials:

  • 20 grams/31 yards of medium weight yarn (Big Twist Favorite Cotton in “Green Olive”)
  • 5mm crochet hook
  • Scissors
  • Yarn needle
  • (optional) Tape measure

Dimensions (includes instructions to adjust sizing):

  • Coaster: 11.5 centimeters wide x 11.5 centimeters long (4.53 x 4.53 inches)
  • Potholder: 20 centimeters wide x 20 centimeters long (7.87 x 7.87 inches)