Specifications include, but are not limited to: Size: extralong twin. 36” x 80” TICKING Substitute Firegard ticking, thread and tape system with cleanable SOFlux OX fabric and Integrity 30 fire barrier. This mattress passes California TB 129 and Boston Fire Dept. IX-11 • mattress cover shall be a polyurethane coated microfiber cloth that is waterproof, anti-bacterial, antifungal, PVC free, and contains a durable water repellant • Vinyl, vinyl backed, nylon, and coated nylon tickings are unacceptable • Product such as ComforTeq™ or equal is acceptable. SPRING UNIT • all wire, knotted-coil construction consisting of transverse rows of coils connected by the use of 17½ gauge wire helicals • all coils shall be of hourglass shape • low profile 7x24 coil count configuration • 13gauge high carbon electrically tempered steel • contain no border wires. • mattress cover construction shall be a four corner box construction, not envelope construction • All exterior seams are to be inverted and lock stitched (NOT chain stitched) with the seams located half way down the depth of the mattress • There shall be no tape edge seams, zippers, or velcro on or in the mattress • Seaming should be resistant to bed bug infestation • Innerspring unit shall be covered with a glued spun bond insulator • Minimum 2 inch thick layer of premium quality 1.8 lb/ft3 minimum density polyurethane foam shall be placed on each side • Innerspring unit shall be encased in a minimum 1.8 lb/ft3 ultra-firm 80 ILD foam for extra edge support.