1. ECR4Kids ELR-024 12-Pack Standard Cot Sheet with Elastic Straps, Standard Size Daycare and Preschool Cot Sheets for Rest Time, 50.5″ x 21.75″ – White. Sanitary answer ““ sheets maintain cots clear and as much as sanitation requirements in daycares, preschools and residential environments. Machine-washable – clear sheets with ease…