The CAP Barbell Neoprene Dumbbell is a convenient strength training tool for your home, office or gym. You can view your Walmart Protection Plan after your purchase in the Walmart Protection Plan Hub. Was: $32.99. 30lb dumbbells, 35lb dumbbells and 40lb dumbbells (santa clara) $350. Each dumbbell is sold individually and includes a 30-day manufacturers warranty.