The Seachoice Battery Tray for Optima Batteries is the perfect replacement for your old or cracked battery tray. The tray inserts fit D27M or D31M Optima batteries. A poly strap with stainless-steel buckle is included. 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.