Guard against E. coli, staph, herpes and other infections that can be passed by contact with public toilet seats. Starter kit includes 500 toilet seat covers (two-sleeves of 250 each) of bleached tissue and one white, plastic toilet seat cover dispenser. Toilet seat covers are made of 100 percent biodegradable and septic-system safe material.. Post consumer recycled content: 30%. Recycled content: 100%. Made in USA.