U-fill: The world’s only reusable glue stick range. The ‘Clear Stick’ is the longest lasting and most versatile glue formula, featuring the highest percentage adhesive at 45% and lowest water content. The Clear Stick glides across the page, providing the smoothest application with no puckering or lumps and bumps. This premium formula affords a long reposition time of up to 60 seconds before strong permanent bond. Once used, do not throw away your empty glue sticks. Instead, replenish the contents with our ‘U-fill Clear Stick Refills’. Box of 10.