public static MaplePacket getTradeMesoSet(byte number, int meso) {
        MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();
        mplew.writeShort(SendPacketOpcode.PLAYER_INTERACTION);
        mplew.write(0xF);
        mplew.write(number);
        mplew.writeInt(meso);
        return mplew.getPacket();
    }