3M™ Windo-Weld™ Round Ribbon Sealer is designed as one roll of sealer with setting blocks. We constructed this ribbon sealer with a unique feature of controlled compressability which allows for easy installation. This product will not squeeze out or allow light to contact pinchweld. This roll of sealer comes with a sufficient amount of material to replace one windshield or backlite.
FEATURES:

• Controlled compressability allows for easy installation
• Ribbon sealer will not squeeze out, providing performance longevity
• Designed to not allow light to contact pinchweld
• One-roll sealer offers sufficient material to replace one windshield or backlight