Granny Square Insulated Tumbler
The Granny Square Insulated Tumbler by Lori Holt of Bee in my Bonnet holds 30 ounces of your favorite beverage and features crocheted granny squares. The double insulated stainless steel keeps your drinks cold for about 20 hours or hot for about 6 hours and fits in most standard cup holders. The clear plastic lid has a drinking hole that is straw friendly. Hand wash only.