Designed to work with Spellbinders® Tool 'n One™ and Rectangle Foam Tip, Rectangle Foam Tip Refill 6-Pack is available to crafters looking to expand their color options. Each rectangle foam is secured with hook and loop feature attached to the tip applicator. This set is a must have in your basic tool kit. Approximate Size(s): Frame: 4.25 x 5.50 in Insert: 4.00 x 5.35 in