K-2 Tumbles #1 measure approximately 3/4" to 1 1/4" (20mm to 30mm) and weigh .4 to 1.2 ounces (8.4 to 31.8 grams). Please let me pick one for you. These are $6.00 USD each.
K-2 Slabs #5 measures approximately 1 1/8" to 1 5/8" (29mm to 41mm) and weighs .4 to .8 ounces (9.8 to 19.5 grams). These slabs have lovely aqua "spots", most with some blue or deeper aqua in the center. This is a very unusual color for the K-2. Please let me pick one for you. These are $6.00 USD each.