These Midwest Tiered Straight Standing Choral Risers set the stage for high-impact performances. A solid plywood core deck, supported by a steel frame & braced with spring-bolt locks accommodates heavy loads safely. Same-height risers are easily attached with drop-in coupling for increased stability. Convenient caddies accommodate up to seven 3-level risers sets for compact storage and efficient transportation. Measures 96" in length. 2 level accommodates 15-19 people, 3 level accommodates 20-26; 4 level accommodates 25-32. Available in 2, 3, or 4 levels with hardboard, carpet, or polypropylene deck.