Take the guesswork out of correct car seat installation with the Mighty-Tite Car Seatbelt Tightener. Its design won the National Parenting Center Seal of Approval and earned an endorsement by Parent"s Guide Children"s Media and Good Housekeeping"s Baby"s Best Buy. With just a "slip, click and go" of Mighty-Tite, dangerous seatbelt slack is eliminated, and you"ll have a stable, secure car seat. A steel ratchet gear tightens the belt with little effort. Use Mighty-Tite on infant car seats, full-sized car seats and booster seats. Works in any vehicle and requires no permanent installation. Mighty-Tite has been crash tested for children from birth to 60 pounds. Requires no assembly. Makes a great shower gift. Wipe clean with damp cloth. Imported. 1-1/2Hx4Wx5L".