private void removeItems(Player player, Material material, int _price){

        int price = _price;

        for(ItemStack is : player.getInventory().getContents()){
            if(is.getType() != material){
                continue;
            }
            if(is.getAmount() - price >= 0){
                player.getInventory().remove(is);
                price -= is.getAmount();
            }else{
                price -= is.getAmount() - price;
                is.setAmount(is.getAmount() - price);
            }
            if(price <= 0){
                break;
            }

        }

    }