New price low. Amazon has the Devoko 100 Gal. Resin Locking Deck Storage Box (Black) for $83 - 15% off (Clip coupon to apply) = $71 with free shipping. Features a lockable lid and provides a seating capacity up to of 500lbs. Exterior dimensions: 47.8"L x 21.4"W x 24.6"H.