From Fat Quarter Gypsy
"If you liked the FQ Pop-Up then you will love the Stacking Pop-Ups! Three new sizes for all your storage needs.
Medium - 8in Diameter x 8in Tall
Large - 10-1/2in Diameter x 11in Tall
Extra Large - 14in Diameter x 16in Tall
Pattern does not include Pop-Up Springs. Refills are sold separately.
FQG123 Medium Pop-Up Refill
FQG124 Large Pop-Up Refill
FQG125 Extra Large Pop-Up Refill
FQG126 Stacking Pop-Up Refills (All 3 sizes)"