SparkPlugs® Ear Plugs, 1 Case of 10 Group Activity Units Attractive lightweight aluminum frame Adjustable Wall Transformers Attractive lightweight aluminum frame Adjustable height settings Easy to use push button folding mechanism provides audible click when locked Front cross brace near top of walker allows for full stride Each side operates independently to allow easy movement through narrow spaces and greater stability while standing Vinyl contoured hand grip for added comfort and long lasting wear Rear glide cap allows for walker to slide easily and smoothly over most surfaces (come standard on models with 5 wheels) Folds flat for transport and storage HCPCS* Code: E0135 (without wheels) E0143 (with wheels) Roll is 6 inches x 4 1 8 yards Tapered shape for easy insertion and removal 100% PVC free earplugs offer a high NRR 33