" Carton 2 size/weight: 57" x 8" x 6" / 50 lbs " 15lb Pair Carton Size/Weight: 18 x 11 x 9 / 33lbs " 20lb Pair Carton Size/Weight: 18 x 11 x 9 / 43lbs " 25lb Pair Carton Size/Weight: 18 x 13 x 9 / 56lbs " 30lb Pair Carton Size/Weight: 18 x 12 x 9 / 64lbs " 35lb Carton Size/Weight: 13 x 11 x 9 / 39lbs