storing values in cache memory(Not sessions not applications)

public static class CacheUtils
    {
        private static readonly Cache cache = HttpRuntime.Cache;
        
        /// <summary>
        /// Gets data from cache      
        public static Object GetFromCache(string key)
        {
            return cache[key];
        }      
 
        public static void InsertIntoCache(string key, int cacheTimeInMinutes, Object obj)
        {
            cache.Insert(key, obj, null, DateTime.Now.AddMinutes(cacheTimeInMinutes),
                          Cache.NoSlidingExpiration, CacheItemPriority.Normal, OnRemove);
        }
 
        public static void OnRemove(string key, object cacheItem, CacheItemRemovedReason reason)
        {
            //log.Info("Object removed from cache: Key-" + key + ": Reason-" + reason);
        }
 
        public static void RemoveFromCache(string key)
        {
            cache.Remove(key);
        }
 
    }