Seachoice Spool Rollers are designed to support the weight of your boat and aid in launching and loading your boat. Our boat rollers are made of TPR (Thermal Plasticized Rubber), which is resilient, non-marking, stronger than black rubber, and softer than polyurethane. Come with a 5-year warranty. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters, offering a wide-ranging product line while remaining affordable. Made in the USA.